Nhận biết các phân bón sau bằng PPHH:

a) NH4Cl; KNO3; (NH4)2SO4

b) K2SO4; NH4Cl; NH4H2PO4

c) K2CO3; KCl; NH4Cl; Ca(H2PO4)2

d) KNO3; NH4NO3; Ca(H2PO4)2; (NH4)2HPO4

V. Choose the answer. 

1. I ________ it 5 years ago        

A. have been      B. saw C. was seeing            D. am seeing

2. We ________ in Lenin Park when it rained.           

A. walked        B. have walked            C. were walking         D. walk

3. I often play soccer ________ Sunday afternoon.                

A. in                  B. at                    C. on              D. after

4. My father was good at swimming. He is used to________swimming in summer.   

A. go      B. goes    C. went      D. going

5. Kate hates ________ to classical music.                

A. listen              B. listened            C. listens              D. listening

6. I’ve lived in this house ________1990            

A. from                  B. since                  C. for                    D. in

7. Mr. Smith ________his car for 15 years, but it still looks very new.    

A. has        B. had      C. have had    D. has had

8. We must be there ________ 7.30 and 8.25.         

A. at                B. before                C. between      D. after

9. I wish you________me with my work.   

A. help          B. will help     C. helped       D. would help

10. My father started   ________in a small village 10 years ago.     

 A. teaching    B. teach    C. taught    D. teaches  

11. When was that book ________?            

A. made              B. produced            C. published        D. created.

12. They ________in that house for several months    

A. live      B. lived        C. have lived    D. are living

13. My father ________teaching in a small village 10 years ago   

A. starts    B. started    C. has started      D. is starting

14. We have lived in Ha Noi ________ 4 years     

A. in        B. since            C. for                D. at

15. She has taught English here ________ 10 years.      

A. in          B. for          C. since          D. from

16. He wishes he ________fly           

A. can             B. will              C. should               D. could

17. Vietnamese language is different ________English language.       

A. from        B. on        C. in          D. at

18. A: Would you like to have lunch with us?  B: _________________.                        

A. All right            B. Yes, I would      C. No, I wouldn’t like D. Yes, I’d love to

19. A: Congratulations on your winning    B: _________________.                                    

A. You’re welcome  B. That’s very kind of you    C. No, thanks      D. Yes, of course

20. He was so tired that he wasn’t capable_________ driving himself home.

A. to   B. for    C. of       D. from

 III. Give the correct form of the word in CAPITALS to complete each of the following sentences. 

1. My grandfather has devoted himself to many ________________ events in our community.  CULTURE

2. You should spend at least one week to visit the tourist _________________ in this city.  ATTRACT

V. Complete the second sentence so that it has a similar meaning to the first, using the words given:

1. I think Da Nang is not so exciting as Ho Chi Minh City. MORE

→ I think Ho Chi Minh City………………………………………Da Nang.

2. I’ll consider it carefully and give you an answer next week. OVER

→ I’ll ……………………………. and give you an answer next week. 

3. His parents raised him very strictly. UP

→ His parents …………………………. very strictly.

4. “Should I tell this to her?” he asked himself. WHETHER

→ He wondered ……………………………………. to her.

VI. Make complex sentences using the subordinators in bracket. 

1. We decided to go for a walk in the park. It was very cold out. (even though)

→ ……………………………………………………………………………

2. Mai could have good marks. She studied hard for the exam. (so that)

→ …………………………………………………………………………

I. Choose a word whose underline part is pronounced differently from the others. 

1.   A. wandered   B. embroidered    C. embarrassed     D. preserved

2.   A. sculpture    B. failure      C. closure       D. structure

II. Choose the best answer. 

1. Have you ever _____________ to Tay Ho village in Hue? Its’s the place where people make the famous Bai tho conical hats. 

A. go      B. went      C. gone        D. been

2. _______________he’s spent a lot of money to redecorate his shop, he cannot make any more profit.

A. In order to    B. Although   C. So that     D. Because

3. My parents once took me to Bat Trang village. I could make my own ____________ there. I really enjoyed it.

A. pottery    B. lacquer    C. painting    D. sculpture

4. This company has gone bankrupt. Do you know who will _______________?

A. take care of it    B. look after it     C. take it over     D. turn it up

5. The people in my village cannot earn enough money for their daily life. They can’t _____________ this traditional handicrafts. They have to find other jobs.

A. help out     B. live on    C. work on    D. set up

6. Osaka has become one of ______________ “liveable” cities in Asia.

A. more       B. better    C. much    D. most

7. I’ve been studying very hard for my final exams but I always feel _______________.

A. tired     B. calm    C. worried     D. frustrated

8. Huy got a bad mark for his English test. He must have been really _______________.

A. disappointed      B. relaxing     C. interested       D. happy

1. Nêu hiện tượng:

a) Cho dung dịch MgCl2 vào dung dịch NaOH

b) Cho dung dịch CuCl2 vào dung dịch Ba(OH)2

c) Cho dung dịch quỳ tím vào dung dịch NaOH sau đó nhỏ từ từ dung dịch HCl vào 

2. Dẫn 6,72(l) khí CO2 qua 400(ml) dung dịch Ca(OH)2 0,5M. Sau phản ứng thu được bao nhiêu gam tủa?

1. Hoàn thành các chuỗi chuyển hóa sau:

a) Ca-> CaO-> Ca(OH)2-> Ca(HCO3)2-> CaCO3-> CaO

b) NaCl-> NaOH-> Na2SO4-> NaCl-> NaNO3

2. Nhận biết:

a) Dung dịch Ca(OH)2; KOH; HNO3; H2SO4

b) Các chất rắn: Mg(OH)2; Al(OH)3; Na2SO4; NaOH

21.Magic number 18001567 is a _____toll free service.

a. 24 hours   b. 24-hours     c. 24 – hour      d.24 hour

II. Use the correct form of the words:

11.One of the _________ in my hometown is the traditional market,which is open every Sunday   (attract)

12.What are the differences between Dong Ho _______ and Sinh ones? (paint)

13.This is a very beautiful piece of__________ (embroider)

14.__________is one of the biggest problems in this city (employ)

15.Photography is strictly_________ in this museum (forbid)

16.Do you know what is the most _________town in this region? (population)

17.Remember to visit the Ancient Tower as it’s the only_________ building in our area (history)

18.I feel so _______because I can’t run as fast as my friends (embarrass)

19._________ can help you succeed in many fields (confident)

20.Find out more about the job so that you can make an _________choice (inform)

Use the correct form of the words:

1. You’ll experience _______ changes as well (emotion)

2.You’ll feel you want more independence and ________ (responsible)

3.We need adult support and ________ to make informaed decision and overcome stress  (guide)

4. She is no longer in her ________ (adolescent)

5. I feel ______ when I have to wait for the bus in that neighbourhood (worry)

6. She is having too high_____________from her parents (expect)

7.Bill was__________about the exam result (disappoint)

8.Mai is feeling so _________ with her fashionable new hairstyle (delight)

9.I think taking a ________ class is a good idea if you want to be more confident  ( speak)

10.Linh is feeling a bit ________ about her study because she’s failed the exam once again ( frustrate )