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Chủ đề:

Hóa học 11

Câu hỏi:

1 Các thuốc thử đủ để phân biệt metan, etylen là

A dung dịch AgNO3.

B nước.

C dung dịch Br2.

D dung dịch KCl.

2 Số đồng phân của chất có công thức phân tử C4H10

A 4​.

B ​3​.

C 2​.

D 5​.

3 Đốt cháy hoàn toàn hồn hợp X gồm hai hidrocacbon cùng dãy đồng đẳng. Hấp thụ hết sản phẩm vào bình đựng dung dịch Ca(OH)2 dư, thấy khối lượng bình tăng 1,276 gam và thu được 2 gam kết tủa. Dãy đồng đẳng của hai hidrocacbon là

A ankin.

B ankan.

C aren.

D ankin hoặc ankadien.

4 Khi cho isopentan tác dụng với Cl2 (1:1) số sản phẩm thu được là

A 2​.

B 3​.

C 1​.

D 4​.

5 Ở điều kiện thường, các hydrocacbon ở thể khí gồm các hidrocacbon từ

A C2 → C10.

B C1 → C6.

C C1 → C5.

D C1 → C4.

6 Một hỗn hợp gồm 2 ankan đồng đẳng liên liếp có khối lượng 24,8 gam. Thể tích tương ứng là 11,2 lít (ở đktc). Công thức phân tử của 2 ankan là

A C3H8; C4H10.

B CH4; C2H6.

C C2H6; C3H8.

D C4H10; C5H12.

7 Câu nào sau đây sai?

A Ankin có số đồng phân ít hơn anken tương ứng.

B Ankin tương tự anken đều có đồng phân hình học.

C Hai ankin đầu dãy không có đồng phân.

D Butin có 2 đồng phân vị trí nhóm chức.

8 Theo IUPAC ankin CH3-C≡C-CH(CH3)-CH(CH3)-CH3 có tên gọi là

A 4,5-đimetylhex-2-in.

B 4-đimetylhex-1-in.

C 4,5-đimetylhex-1-in.

D 2,3-đimetylhex-4-in.

9 Đốt cháy hoàn toàn V lít một ankin thu được 10,8 gam H2O. Nếu cho tất cả sản phẩm cháy hấp thụ hết vào bình đựng nước vôi trong thì khối lượng bình tăng 50,4 gam. Giá trị của V là

A 3,36 lít.

B 2,24 lít.

C 4,48 lít.

D 6,72 lít.

10 Trong số các hiđrocacbon mạch hở sau : C4H10, C4H6, C4H8, C3H4, những hiđrocacbon nào có thể tạo kết tủa với dung dịch AgNO3/NH3?

A C4H10 ,C4H8.

B C4H6, C3H4.

C Chỉ có C4H6.

D Chỉ có C3H4.

Chủ đề:

Luyện tập tổng hợp

Câu hỏi:

EXERCISES

(RELATIVE CLAUSES REPLACED BY PARTICIPLES AND TO-INFINITIVES)

-------------

* Exercise 1: Rewrite the following sentences using present participle or past participle:

1. The man who teaches my son is my friend.

->……………………………………………………………………………………

2. The street which leads to the school is very wide.

->……………………………………………………………………………………

3. My grandfather, who is old and sick, never goes out of the house.

->……………………………………………………………………………………

4. We are driving on the road which was built in 1980.

->……………………………………………………………………………………

5. I saw many houses that were destroyed by the storm.

->……………………………………………………………………………………

6. The computers which are used here are very old.

->……………………………………………………………………………………

7. Trains which leave from this station take an hour to get to London.

->……………………………………………………………………………………

8. That is the news which surprised us most.

->……………………………………………………………………………………

9. They’ve just delivered the goods that were ordered last week.

->……………………………………………………………………………………

10. There are some children who are playing in the backyard of the house.

->……………………………………………………………………………………

11. Do you know the woman who made a very interesting speech last night?

->……………………………………………………………………………………

12. The foreign language which is being taught in most schools is English.

->……………………………………………………………………………………

13. Astronauts who are orbiting the earth in space capsules are weightless.

->……………………………………………………………………………………

14. Customers who complain about the service should see the manager.

->……………………………………………………………………………………

15. The book that is on the top of the shelf is the one that is very useful.

->…………………………………………………………………………………

16. The vegetables which are sold in this shop are grown without chemicals.

->……………………………………………………………………………………

17. The number of students who have been counted is quite high.

->……………………………………………………………………………………

18. The student who sits next to me is from China.

->……………………………………………………………………………………

19. Do you know the music which is being played on the radio?

->……………………………………………………………………………………

20. He lives in a big house which stands on the top of the hill.

->……………………………………………………………………………………

* Exercise 2: Rewrite the following sentences using to- infinitive:

1. I have some letters that I must write.

->……………………………………………………………………………………

2. We had a river in which we could swim. ->……………………………………………………………………………………

3. I don’t have anyone that I can go with. ->……………………………………………………………………………………

4. She didn’t have anyone to whom she could send cards.

->……………………………………………………………………………………

5. There are two letters which must be written today. ->……………………………………………………………………………………

6. Have you got a key which can unlock this door? ->……………………………………………………………………………………

7. He doesn’t have anything that he can eat. ->……………………………………………………………………………………

8. Mary has a long letter which she must type right away. ->……………………………………………………………………………………

9. He gave me the magazine that I could read during the waiting time.

->……………………………………………………………………………………

10. John was the last person who left the room. ->……………………………………………………………………………………

11. I want to buy some postcards which I can send to my friends.

->……………………………………………………………………………………

12. I don’t have anything new that I can tell you today. ->……………………………………………………………………………………

13. He was the last man that was interviewed yesterday. ->……………………………………………………………………………………

14. Here is a test that must be finished right now. ->……………………………………………………………………………………

15. The man was the second person who was killed in this way. ->…………………………………………………………………………………… 16. The place where we learn English well is the London School.

->……………………………………………………………………………………

17. How many pupils who were awarded are there in your class?

->……………………………………………………………………………………

18. There were 20 persons who were killed in the bomb explosion last week.

->……………………………………………………………………………………

19. Are there any cars which are being repaired in the garage at the moment?

->……………………………………………………………………………………

20. Here are some accounts that must be checked. ->……………………………………………………………………………………

21. The man whom we should watch carefully used to be a bank robber.

->……………………………………………………………………………………

22. There are many books which we can read for reference at our school library.

->……………………………………………………………………………………

23. The only thing that we have to remember is to obey our parents.

->……………………………………………………………………………………

24. We are very busy because there is a lot of homework which has to be done.

->……………………………………………………………………………………

25. Thomas was the first man that reached the top of the mountain.

->……………………………………………………………………………………

26. She was the fourth woman who finished the race.

->……………………………………………………………………………………

27. The first person that arrives at the party will be given a small gift.

->……………………………………………………………………………………

28. The latest news that is about the cyclone will reach people in the area soon.

->……………………………………………………………………………………

29. The only athletes that make new records this time will be offered awards from the sponsors.

->……………………………………………………………………………………

30. I really don’t know the first person that traveled around the world. ->……………………………………………………………………………………

Chủ đề:

Luyện tập tổng hợp

Câu hỏi:

Pronunciation

1. A. machine B. shrill C. sugar D. slide

2. A. splat B. splay C. splash D. splatter

3. A. sprite B. spring C. sprint D. sprinkle

4. A. shrill B. shrimp C. shrine D. shrink

5. A. split B. splinter C. splint D. splice

6. A. primitive B. particular C. continuous D. connected

7. A. amount B. mental C. dependence D. opinion

8. A. section B. grammar C. unsuccessful D. demonstrate

9. A. harvest B. circumstances C. produce D. ceremony

10. A. research B. ability C. companion D. understand

Multiple choice

1. She was the last applicant_______.

A. to interview B. to be interviewing C. to be interviewed D. to have interviewed

2. I'm hungry. Is there any food_______?

A. to be eaten B. for me eating C. eating D. to eat

3. English is an important language_______.

A. to master B. for us to master C. which we have to master D. All are correct

4. "What's all that noise about?" "We had a bad accident_______at the factory."

A. happening B. happened C. happen D. has happened

5. I wrote to the company_______the them for a catalogue.

A. asking B. demanding C. enquiring D. applying

6. I have heard nothing from him since_______.

A. he had left B. he leaves C. he has left D. he left

7. Lack of rain early in the season means that the field_______a poor crop.

A. surrendered B. yielded C. generated D. suffered

8. Can you find any_______equipment in this department?

A. electric B. electrified C. electrical D. electricity

9. You cannot grow crops on_______land.

A. exhaustion B. exhaust C. exhausting D. exhausted

Error Identification

1. The world's rain forests are being cut down at the rate on 3,000 acres per hour.

A B C D

2. Many scientists fear that the earth will run out essential natural resources before the end of the 20th century.

A B C D

3. Because much species of plants and animals in Hawaii are threatened with extinction within a short period

A B C

of time, scientists are trying desperately to rescue them.

D

4. Her many friends, among who I like to be considered, gave her encouragement.

A B C D

Gap filling

There is now increasing concern about the world's energy_______(1), particularly about those involving fossil_______(2). In less than a hundred years we shall probably_______(3) all the present_______(4) of oil and gas. The world's coal_______(5) should last longer but, once used, these cannot be_______(6). It is important, therefore, that we should develop such_______(7) sources of energy as solar energy as well as water and wind_______(8), (classed as_______(9) energy). Until these energy_______(10) are widely used, it is important for developed countries to reduce energy consumption as much as possible.

1. A. possessions B. resources C. goods D. materials

2. A. fuels B. powers C. forms D. energies

3. A. end B. compete C. total D. exhaust

4. A. findings B. productions C. amounts D. sources

5. A. reserves B. stores C. mines D. contents

6. A. updated B. repeated C. renewed D. produced

7. A. traditional B. alternative C. revolutionary D. surprising

8. A. force B. strength C. power D. motion

9. A. repeatable B. continual C. renewable D. continuous

10. A. goods B. supplies C. provisions D. materials

Word forms

1. He's just bought a car with_____________________operated windows. (electric)

2. The railway line was_____________________in the 1950s. (electric)

3. ___________________is the process of changing something so that it works by______________. (electric)

4. You can be paid in cash weekly or by cheque monthly, those are the tow______________. (alter)

5. Gas and oil_________________always increases in cold weather. (consume)

6. Health-concious________________want more information about the food they buy. (consume)

7. We should pay more attention to renewable sources of energy such as wind and ___________power. (sun)

8. We are doing our best with the_________________resources available. (limit)

9. ___________________damage threatens the whole of civilization. (environment)

10. The weather_____________________improved. (gradual)

Fill in each gap with a suitable preposition

1. Zoology is more closely related___________biology than it is to botany.

2. Are you interested___________working with them?

3. I certainly hope that David is aware___________all the problems imvolved.

4. Mr. Minh is responsible___________hiring and firing employees.

5. Bred is capable___________doing better work than he's doing at the present.

Reduce the relative clauses to participle phrases

1. I don't like people who arrive late. I ............................................................................................................................................ .............

2. I live in the house which was built a century ago. I ............................................................................................................................................ .............

3. The people who work here are very interesting. The ............................................................................................................................................ .........

4. The handkerchief which was embroidered by my sister was really beautiful. The ............................................................................................................................................ .........

5. I want you to meet the woman who taught me how to drive. I ............................................................................................................................................ .............

6. Do you know the woman who is coming toward us? Do ............................................................................................................................................ ...........

Rewrite the following sentences, using infinitive phrase

1. We had a river in which we could swim.

We ............................................................................................................................................ ..........

2. My brother is the only one that realized the danger.

My ............................................................................................................................................ ..........

3. He is always the first that comes and the last that goes.

He ............................................................................................................................................ ...........

4. The Queen Elizabeth is the largest ship which has been built on the island. The ............................................................................................................................................ ......... Rewrite the following sentences, using relative clause

1. The last person to be interviewed yesterday was Jack.

The ............................................................................................................................................ ...

2. Valentine was the first woman to fly into space. Valentine .....................................................................................................................................

3. The only person to remain in the classroom was Peter.

The ............................................................................................................................................ ...

4. Is there any place for us to stay tonight?

Is ............................................................................................................................................ .......

5. This is the second person to be killed in that way.

This ......................................................................................................................................

Chủ đề:

Luyện tập tổng hợp

Câu hỏi:

Pronunciation 1. A. ma ch ine B. sh rill C. s ugar D. s lide 2. A. spla t B. spla y C. spla sh D. spla tter 3. A. spri te B. spri ng C. spri nt D. spri nkle 4. A. shri ll B. shri mp C. shri ne D. shri nk 5. A. spli t B. spli nter C. spli nt D. spli ce 6. A. primitive B. particular C. continuous D. connected 7. A. amount B. mental C. dependence D. opinion 8. A. section B. grammar C. unsuccessful D. demonstrate 9. A. harvest B. circumstances C. produce D. ceremony 10. A. research B. ability C. companion D. understand Multiple choice 1. She was the last applicant_______. A. to interview B. to be interviewing C. to be interviewed D. to have interviewed 2. I'm hungry. Is there any food_______? A. to be eaten B. for me eating C. eating D. to eat 3. English is an important language_______. A. to master B. for us to master C. which we have to master D. All are correct 4. "What's all that noise about?" "We had a bad accident_______at the factory." A. happening B. happened C. happen D. has happened 5. I wrote to the company_______the them for a catalogue. A. asking B. demanding C. enquiring D. applying 6. I have heard nothing from him since_______. A. he had left B. h e leaves C. he has left D. he left 7. Lack of rain early in the season means that the field_______a poor crop. A. surrendered B. yielded C. generated D. suffered 8. Can you find any_______equipment in thi s department? A. electric B. electrified C. electrical D. electricity 9. You cannot grow crops on_______land. A. exhaustion B. exhaust C. exhausting D. exhausted Error Identification 1. The world's rain forests are being cut down at the rate on 3,000 acres per hour . A B C D 2. Many scientists fear that the earth will run out essential natural resources before the end of the 20 th century. A B C D 3. Because much species of plants and animals in Hawaii are threatened with extinction within a short period A B C of time, scientists are trying desperately to rescue them. D 4. Her many friends, among who I like to be considered , gave her encouragement . A B C D Gap filling There is now in creasing concern about the world's energy_______(1), particularly about those involving fossil_______(2). In less than a hundred years we shall probably_______(3) all the present_______(4) of oil and gas. The world's coal_______(5) should last longer but, once used, these cannot be_______(6). It is important, therefore, that we should develop such_______(7) sources of energy as solar energy as well as water and wind_______(8), (classed as_______(9) energy). Until these energy_______(10) are widely used, it is important for developed countries to reduce energy consumption as much as possible. 1. A. possessions B. resources C. goods D. materials 2. A. fuels B. powers C. forms D. energies 3. A. end B. compete C. total D. exhaust 4. A. findings B. productions C. amounts D. sources 5. A. reserves B. stores C. mines D. contents 6. A. updated B. repeated C. renewed D. produced 7. A. traditional B. alternative C. revolutionary D. surprising 8. A. force B. strength C. power D. motion 9. A. repeatable B. continual C. renewable D. continuou s 10. A. goods B. supplies C. provisions D. materials Word forms 1. He's just bought a car with_____________________operated windows. (electric) 2. The railway line was_____________________in the 1950s. (electric) 3. ___________________is the process of changing something so that it works by______________. (electric) 4. You can be paid in cash weekly or by cheque monthly, those are the tow______________. (alter) 5. Gas and oil_________________always increases in cold w eather. (consume) 6. Health - concious________________want more information about the food they buy. (consume) 7. We should pay more attention to renewable sources of energy such as wind and ___________power. (sun) 8. We are doing our best with the__________ _______resources available. (limit) 9. ___________________damage threatens the whole of civilization. (environment) 10. The weather_____________________improved. (gradual) Fill in each gap with a suitable preposition 1. Zoology is more closely related_____ ______biology than it is to botany. 2. Are you interested___________working with them? 3. I certainly hope that David is aware___________all the problems imvolved. 4. Mr. Minh is responsible___________hiring and firing employees. 5. Bred is capable________ ___doing better work than he's doing at the present. Reduce the relative clauses to participle phrases 1. I don't like people who arrive late. I ............................................................................................................... ............................. ............. 2. I live in the house which was built a century ago. I ............................................................................................................................. ............... ............. 3. The people who work here are very interesting. The ............................................................................................................................. ............... ......... 4. The handkerchief which was embroidered by my sister was really beautiful. The ............................................................................................................................. ............... ......... 5. I want you to meet the woman who taught me how to drive. I .................. .......................................................................................................................... ............. 6. Do you know the woman who is coming toward us? Do ............................................................................................................................. ............... ........... Rewrite the following sentences, using infinitive phrase 1. We had a river in which we could swim. We .. ............................................................................................................................. ............. .......... 2. My brother is the only one that realized the danger. My ................................................ ............................................................................................ .......... 3. He is always the first that comes and the last that goes. He ......................................................................................... ................................................... ........... 4. The Queen Elizabeth is the largest ship which has been built on the island. The .............................................................................................................. .............................. ......... Rewrite the following sentences, using relative clause 1. The last person to be interviewed yesterday was Jack. The .................................................................................................... ........................................ ... 2. Valentine was the first woman to fly into space. Valentine ............................................................................................................................. ......... 3. The only per son to remain in the classroom was Peter. The ............................................................................................................................. ............... ... 4. Is there any place for us to stay tonight? Is ................. ........................................................................................................................... ....... 5. This is the second person to be killed in that way. This ................................................................. .....................................................................

Chủ đề:

Luyện tập tổng hợp

Câu hỏi:

Pronunciation 1. A. machine B.shrill C.sugar D.slide 2. A.splt B.splay C.splash D.splatter 3. A.sprite B.spring C.sprint D.sprinkle 4. A.shrill B.shrimp C.shrine D.shrink 5. A.split B.splinter C.splint D.splice 6. A. primitive B. particular C. continuous D. connected 7. A. amount B. mental C. dependence D. opinion 8. A. section B. grammar C. unsuccessful D. demonstrate 9. A. harvest B. circumstances C. produce D. ceremony 10. A. research B. ability C. companion D. understand Multiple choice 1. She was the last applicant_______. A. to interview B. to be interviewing C. to be interviewed D. to have interviewed 2. I'm hungry. Is there any food_______? A. to be eaten B. for me eating C. eating D. to eat 3. English is an important language_______. A. to master B. for us to master C. which we have to master D. All are correct 4. "What's all that noise about?" "We had a bad accident_______at the factory." A. happening B. happened C. happen D. has happened 5. I wrote to the company_______the them for a catalogue. A. asking B. demanding C. enquiring D. applying 6. I have heard nothing from him since_______. A. he had left B. he leaves C. he has left D. he left 7. Lack of rain early in the season means that the field_______a poor crop. A. surrendered B. yielded C. generated D. suffered 8. Can you find any_______equipment in this department? A. electric B. electrified C. electrical D. electricity 9. You cannot grow crops on_______land. A. exhaustion B. exhaust C. exhausting D. exhausted Error Identification 1. The world's rain forests are being cut down at the rate on 3,000 acres per hour. A B C D 2. Many scientists fear that the earth will run out essential natural resources before the end of the 20th century. A B C D 3. Because much species of plants and animals in Hawaii are threatened withe xtinction within a short period of time, scientists are A B C tryingdesperately to rescue them. D 4. Her many friends,among who I like to be considered, gave her encouragement .A B C D Gap filling There is now increasing concern about the world's energy_______(1), particularly about those involving fossil_______(2). In less than a hundred years we shall probably_______(3) all the present_______(4) of oil and gas. The world's coal_______(5) should last longer but,once used, these cannot be_______(6). It isimportant, therefore, that we should develop such_______(7) sources of energy as solar energy as well as water and wind_______(8), (classed as_______(9) energy). Until these energy_______(10) are widely used, itis important for developed countries to reduce energy consumption as much as possible. 1. A. possessions B. resources C. goods D. materials 2. A. fuels B. powers C. forms D. energies 3. A. end B. compete C. total D. exhaust 4. A. findings B. productions C. amounts D. sources 5. A. reserves B. stores C. mines D. contents 6. A. updated B. repeated C. renewed D. produced 7. A. traditional B. alternative C. revolutionary D. surprising 8. A. force B. strength C. power D. motion 9. A. repeatable B. continual C. renewable D. continuous 10. A. goods B. supplies C. provisions D. materials Word forms 1. He's just bought a car with_____________________operated windows. (electric) 2. The railway line was_____________________in the 1950s. (electric) 3.___________________is the process of changing something so that it worksby______________. (electric) 4. You can be paid in cash weekly or by cheque monthly, those are thetow______________. (alter) 5. Gas and oil_________________always increases in cold weather. (consume) 6. Health-concious________________want more information about the food they buy.(consume) 7. We should pay more attention to renewable sources of energy such as wind and___________power. (sun) 8. We are doing our best with the_________________resources available. (limit) 9. ___________________damage threatens the whole of civilization. (environment) 10. The weather_____________________improved. (gradual) Fill in each gap with a suitable preposition 1. Zoology is more closely related___________biology than it is to botany. 2. Are you interested___________working with them? 3. I certainly hope that David is aware___________all the problems imvolved. 4. Mr. Minh is responsible___________hiring and firing employees. 5. Bred is capable___________doing better work than he's doing at the present. Reduce the relative clauses to participle phrases 1. I don't like people who arrive late. I........................................................................................................................................................ 2. I live in the house which was built a century ago. I......................................................................................................................................................... 3.The people who work here are very interesting. The..................................................................................................................................................... 4. The handkerchief which was embroidered by my sister was really beautiful. The..................................................................................................................................................... 5. I want you to meet the woman who taught me how to drive. I......................................................................................................................................................... 6. Do you know the woman who is coming toward us? Do....................................................................................................................................................... Rewrite the following sentences,using infinitive phrase 1. We had a river in which we could swim. We...................................................................................................................................................... 2. My brother is the only one that realized the danger. My...................................................................................................................................................... 3. He is always the first that comes and the last that goes. He....................................................................................................................................................... 4. The Queen Elizabeth is the largest ship which has been built on the island. The..................................................................................................................................................... Rewrite the following sentences, using relative clause 1. The last person to be interviewed yesterday was Jack. The............................................................................................................................................... 2. Valentine was the first woman to fly into space. Valentine...................................................................................................................................... 3. The only person to remain in the classroom was Peter. The............................................................................................................................................... 4. Is there any place for us to stay tonight? Is................................................................................................................................................... 5. This is the second person to be killed in that way. This......................................................................................................................................