Cho các hợp chất sau: K₂O, Al(OH)₃, FeCl₃, Fe₂O₃, Ba(OH)₂, NaCl, CaSO₄, KHCO₃, Zn(NO₃)₂, AgCl, H₂SO₄, N₂O₅, P₂O₅, Al₂O₃, Mg(OH)₂, Fe(OH)₃, H₃PO₄, CuSO₄, CaCO₃

a, Đâu là oxit axit ? Đâu là oxit bazo ?

b, Đâu là axit ? Đâu là bazo tan ?

c, Đâu là muối tan ? Đâu là muối không tan ?

Cho 4,6g kim loại X hóa trị I tác dụng hoàn toàn với H₂O thu được 2,24(l) khí H₂ ở điều kiện tiêu chuẩn. Tìm kim loại X?

Cho các kim loại: Cu, Fe, Ag, Al, Zn, Au, Mg, K, Pt, Na, Ba, Ca

a, Kim loại nào tác dụng được với dung dịch HCl ? Viết PTPƯ xảy ra

b, Kim loại nào tác dụng được với dung dịch NaOH ? Viết PTPƯ xảy ra

Thực hiện dãy chuyển hóa sau:

Fe → FeCl₂ → Fe(NO₃)₂ → Fe

Qua truyện ngắn Lặng lẽ Sa Pa của Nguyễn Thành Long em rút ra được bài học gì cho bản thân? ( Viết 1 đoạn văn )

EX: Khoanh vào đáp án đúng

1 This laptop is much more user-friendly, but it costs.............. the other one.

A. so much as     B. twice as much as     C. as many as     D. twice as many

2. She is  skilles at.............. cloth.

A, giving     B. weaving     C. doing     D. carving

3. He has a strong........... You can always rely on him.

A. sense of a time     B. sense of a direction     C. sense of a humour     D. sense of a responsibility

4. Since the Tet holiday the cost of living ............ considerably.

A. rises     B. rose     C. was rising     D. has risen

5. The scenery is.......... when viewed from the mountain top. It feels like your  breath is being taken away.

A. good     B. nice     C. spectacular     D. peaceful

6. Would you mind me through to the manager, plese?

A. putting     B. to put     C. put     D. putting

7. You don't need the fans on in the classroom.............., please.

A. Turn off it     B.  Turn it off     C. Turn off them     D. Turn them off

8. I love going to this place .......... it's the qietest place in the city

A. so     B. despite     C. in order to     D. because

9. ...............she was tired, she finished the scarf for her dad.

A. Because     B. So     C. But     D. Although

EX: Khoanh vào đáp án đúng

1. I couldn't concentrate on my lesson....................I was very tense.

A. although     B. so that     C. why     D. because

2. I love it when go to see plays, and try to............... when we get back home.

A. act them out     B. act     C. play     D. role-play

3. I'm really bored.............eating chips. Can't we have something else for a change?

A. with     B. of     C. from     D. about

4. My cousin is.......... university student.

A. a     B. an     C. the     D. X

5. What will you do to earn.............?

A. life     B. a job     C. a career     D. a living

6. Do you know who's........... his pottery workshop?

A. bringing out     B. taking over     C. passing down     D. turning down

7. The flower was................... out of a single piece of valuable wood.

A. carved     B. moulded     C. cast     D. given

8. - A: I won the first prize in the English speaking contest.

- B: ...............................................

A. Stay calm. Everything will be alright!     B. Congratulation 

C. If were you I would get some sleep.     D. I understand how you feel

9. Shakespeare was not only a famous playwright........... a poet.............weel.

A. but / as     B. also / as     C. but / so     D. and / too

10. The flat looks.......... and........... comfortable.

A. nicely / extremely     B. nice / extreme     C. nicely / extreme     D. nice / extremely

11. Nobody was injured in the accident,...........?

A. was there     B. was he     C. were they     D. wasn't it

12. Can you help me? I need........... information.

A. some     B. little     C. a few     D. few

13. I am interested in........... history, especially............ history of Western of Europe.

A. the / the     B. 0 / the     C. 0 / 0     D. a / a

14. School is expected............ good citizents for society.

A. to provide     B. provide     C. providing     D. provided

15. She doesn't mind........... hard to reach her career goals.

A. work     B. to work     C. working     D. worked

16. If she......... here, she would give you some advice.

A. be     B. is     C. was     D. were

17. Have you ever seen Picasso' s La  Guerre,........... is really a masterpiece?

A. who     B. which     C. that     D. they

18. "What do you do........... a living?" Mr Brown asked the man.

A. wit     B. by     C. through     D. for

19. ................my cousin is one of the most skillful artisan in Bat Trang village.

A. When     B. Although     C. Whereas     D. In order to

20. .............. I was talking to my teacher, my friends were waiting outside the classroom.

A. While      B. Although     C. In order that     D. Because

21. During her last trip to England, Lan............. her homework and housework.

A. had not to do     B. would not have to do     C. did not have to do     D. had not done

22. Her mother has just bought a............... of bananas at the market.

A. pinch     B. stick     C. slice     D. bunch

23. In the future, men and women.......... equal roles in society.

A. play     B. will be played     C. will play     D. are playing

24. When did your grandparents set............ this workshop?

A. up     B. off     C. out     D. in

25. In this town, they......... all the frames in steel.

A. make     B. have     C. mould     D. cast

26. Next week, when there............ a full moon, the ocean tides will be higher.

A. is being     B. will be     C. is      D. will have been

27. Can you help me......... in this appelication form?

A. fill     B. to fill     C. filling     D. A & B

28. In..............., students can study a work sector like applied business, design, health, or tourisn.

A. academic subjects     B. vocational subject     C. schedule     D. applied approach

29. It is important to decide if promotion should be based on merit or..........

A. year     B. seniority     C. gender     D. weight

30. That director ................. a big company.

A. guides     B. runs     C. leads     D. goes

31. The amusement centre is so small that they cannot.............. the demand of the local residents.

A. keep up with     B. face up to     C. deal about     D. set up

32. There are numerous jobs in tourism and hospitality for you to choose...............

A. The sky's the limit     B. Over the moon     C. Out of this word     D. Once in a blue moon

EX:Viết lại các câu sau:

1. You are not permited to smoke in the hall

⇒ Smoking.......................................................

2. I wish I had gone on holiday with my friend

⇒ I regret.............................................................

3. Tom's father no longer smokes cigarettes

⇒ No ......................................................................

4. This baby rarely cries during the night

⇒ Rarely....................................................

5. People did not discover Aids until 1981

⇒ Noy until.....................................................

6. I seldom come there ay night

⇒ Seldom...................................

7. We have never seen such a wonderful sight before

⇒ Never...................................

8. Those students arrved late because they had an accident

⇒ Because of..................................

9. Tom was worried because of the heavy traffic

⇒ Because the.................................

10. I regret not finishing my home work at the weekend

⇒ I wish..............................................

11. Ba ate too much and then felt sick.

⇒ If...................................................

12. It started to rain at 2 o'clock

⇒ It has............................................

13. She and I had never been there before

⇒ Neither............................................

14. It was such good weather that we went swimming

⇒ The weather.................................

15. I can't see that far

⇒ It is too...............................

16. I'd rather not see him tomorrow

⇒ I don't...................................

17. After many years of hard work, he retired

⇒ After he..................................

18. With the money he has saved, he can buy a house

⇒ His saving money............................

19. We had to wait two hours for Ba

⇒ Ba kept...................................

20. It is difficult for us to make ends meet these days

⇒ We find........................................

21. I am sorry, I interruped your dinner

⇒ I opologized......................................

22. He does almost no work

⇒ He hardly................................

23. It was such good weather that we went swimming.

⇒ The weather.....................................

24. It's very difficult to leave here after such a long time.

⇒ It isn't.................................................

25. That restaurant is so dirty that no one wants to eat there.

⇒ It is such............................................

EX: Rewrite sentences using the words given so that their meaning stays the same.

1. Latin was an international language. (USED)

2. "Why don't you ask her yourself ?"  (SUGGESTED)

3. My parents never let me stay out late at night. (WISH)

4. Waste materials are disposed of in a variety of ways (DISPOSE)

5. The opening of the new stadium was postponed for a week (PUT)

EX: Create one sentence by combining each pair of sentences using " S + be + adj + that + clause"

1. She is certain. Her son will be accepted to a high school for the gifted.

2. He is amazed. His colleagues celebrate his birthday in a fun way.

3. The rain had finally stopped. We were relatived.