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1. Winning the football pools enabled us to buy a new car.
2.There is no use in calling Kim, because his phone is out of order.
3. The decorators managed not to make too much mess.
4. When is the last time you have a haircut?
5. I derive pleasure from collecting stamps.
6. Don't put off going to dentist's.
V. Rewrite the following sentences:
1.What about going to Dam Sen park?
⇒⇒Why...don't we go to Dam sen Park......?
2. I want some milk?
⇒⇒I'd.....like some milk.................
3. The book is blue.
⇒⇒It's........a blue book..........
4. The girl is beautiful.
⇒⇒She is......beautiful..........
5. I'm eleven.
⇒⇒.............I'm eleven.........years.......old......
6. She likes noodles.
⇒⇒Her favorite.....food is noodles........
7. The Amazon River is longer than the Mekong River.
⇒⇒The Mekong...........is shorter than The amazon river.....
8. I'm Lan.
⇒⇒My........name is Lan.......
9. Miss White is younger than Mrs Young.
⇒⇒Mrs Young............is older than Miss White...........
10. Your bicycle is newer than my bicycle.
⇒⇒My bicycle..........is older than your bicycle..........
1.What about going to Dam Sen park?
⇒⇒Why...don't we go to Dam sen Park......?
2. I want some milk?
⇒⇒I'd.....like some milk.................
3. The book is blue.
⇒⇒It's........a blue book..........
4. The girl is beautiful.
⇒⇒She is......beautiful..........
5. I'm eleven.
⇒⇒.............I'm eleven.........years.......old......
6. She likes noodles.
⇒⇒Her favorite.....food is noodles........
7. The Amazon River is longer than the Mekong River.
⇒⇒The Mekong...........is shorter than The amazon river.....
8. I'm Lan.
⇒⇒My........name is Lan.......
9. Miss White is younger than Mrs Young.
⇒⇒Mrs Young............is older than Miss White...........
10. Your bicycle is newer than my bicycle.
⇒⇒My bicycle..........is older than your bicycle..........
Question 5 : Mary_____home when she met Dave.
A. came B. had come C. had been coming D. was coming
Question 6 : The doorbell_____while I_____a shower.
A. was ringing - took B. rang - was taking
C. had rung - took D. had been ringing - took
Question 7 : When I was young, I_____to be a pilot.
A. wanted B. had wanted C. would want D. wants
Question 8 : The war_____out three years ago.
A. was breaking B. had broken C. broke D. have been breaking
Question 9 : When he was young, he_____in the army.
A. had been serving B. serves C. have served D. served
Question 10 : She often goes to school by bike but yesterday she_____by bus.
A. travelled B. have been travelling
C. had travelled D. travels
34. Why don‘t you go with me? he asked me.
-> He asked ....why I don't go with him...........................................................
Hok toost
IV/ Turn these following sentences into reported speech:
1/ Mr. Thanh said that he wanted to buy a new shirt for his daughter.
2/ The woman informed me (that) that shop wasn’t going to open the next/ the following Sunday.
3/ He said that he had once spent a summer there in that province.
4/ The pupils said that they would be sitting for their exams the next/ the following Friday.
5/ The nurse told the doctor that the patient in that room hadn’t followed his advice.
6/ Mai told Phong that the room would seem so empty without him and his friend.
7/ Khoa told me that if his sister had known the truth, she would have been disappointed.
8/ Long told Hoa that he might come to her birthday party when he had finished his work.
9/ The foreigner remarked (that) that schoolchild spoke English very fluently.
10/ Mother said that she thought it wouldn’t be too sunny the next/ the following day.
V/ Turn these sentences into direct speech:
1/ She said, “I will leave here next week.”
2/ Minh said to me, “I have seen you at this place.”
3/ Linh said to me, “My father died of cancer in 2000.”
4/ The boys said, “You don’t have to come with us if you don’t want to.”
5/ The headmaster said to the schoolboys, “You mustn’t play ball in the school yard.”
6/ She said to me, “The clock will never work again if you try to mend it.”
7/ The manageress said to Sang, “You have to finish your work by 5 o’clock.”
8/ She said, “We are busy now but we will have more time next week.”
9/ Our teacher said, “The Second World War broke out in 1939.”
10/ The speaker says, “We have defeated the foreign invaders because our people are very heroic.”
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1: -> 2FeCl3
2: ->2KBr+I2
3:->ZnCl2+H2 đi lên
4:->AgBr Đi xuống + NaNO3
2Fe+3Cl2----t°---->2FeCl3
Br2+2Kl----->2KBr+l2
Zn+2HCl----->ZnCl2+H2 bay hơi
AgNO3+NaBr------>AgBr chất kết tủa+NaNO3
1) 2Fe + 3Cl2 -> 2FeCl3
2) Br2 + 2KI -> 2KBr + I2
3) Zn + 2HCl -> ZnCl2 + H2 tăng
4) AgNO3 + NaBr -> AgBr giảm + NaNO3
2Fe + 3Cl2 -> 2FeCl3
Br2 + 2KI -> 2KBr + I2
Zn + 2HCl -> ZnCl2 + H2
AgNO3 + NaBr -> AgBr + NaNO3
1) 2Fe + 3Cl2 -> 2FeCl3
2) Br2 + 2KI -> 2KBr + I2
3) Zn + 2HCl -> ZnCl2 + H2
4) AgNO3 + NaBr -> AgBr + NaNO3
1. \(2Fe + 3Cl_2 \xrightarrow{t^o} 2FeCl_3\)
2. \(Br_2 + 2KI \rightarrow 2KBr + I_2\)
3.\(Zn + 2HCl \rightarrow ZnCl_2 + H_2 \uparrow\)
4.
) \(2Fe+3Cl_{2}\xrightarrow{t^{\circ }}2FeCl_{3}\)(2) \(Br_{2}+2KI\rightarrow 2KBr+I_{2}\)(3) \(Zn+2HCl\rightarrow ZnCl_{2}+H_{2}\uparrow \)(4) \(AgNO_{3}+NaBr\rightarrow AgBr\downarrow +NaNO_{3}\)
2
(1) \(2Fe+3Cl_{2}\xrightarrow{t^{\circ }}2FeCl_{3}\)Giải thích: Sắt tác dụng với khí clo (chất oxi hóa mạnh) ở nhiệt độ cao sẽ tạo thành muối sắt(III) clorua.(2) \(Br_{2}+2KI\rightarrow 2KBr+I_{2}\)Giải thích: Brom có tính phi kim mạnh hơn iot nên có thể đẩy iot ra khỏi dung dịch muối iodide.(3) \(Zn+2HCl\rightarrow ZnCl_{2}+H_{2}\uparrow \)Giải thích: Kẽm là kim loại đứng trước hidro trong dãy hoạt động hóa học, tác dụng với axit \(HCl\) giải phóng khí hidro.(4) \(AgNO_{3}+NaBr\rightarrow AgBr\downarrow +NaNO_{3}\)Giải thích: Đây là phản ứng trao đổi tạo thành kết tủa bạc bromua (\(AgBr\)) màu vàng nhạt.
2Fe+3Cl₂\(\rarr\) 2FeCl3
- Sắt tác dụng với khí Clo dư tạo thành muối Sắt(III) clorua.
(2) Br2+2KI→2KBr+I2𝐵𝑟2+2𝐾𝐼→2𝐾𝐵𝑟+𝐼2- Brom đẩy được Iot ra khỏi dung dịch muối vì Brom có tính oxi hóa mạnh hơn Iot.
(3) Zn+2HCl→ZnCl2+H2↑𝑍𝑛+2𝐻𝐶𝑙→𝑍𝑛𝐶𝑙2+𝐻2↑- Kẽm phản ứng với axit Clohiđric giải phóng khí Hiđro.
(4) AgNO3+NaBr→AgBr↓+NaNO3𝐴𝑔𝑁𝑂3+𝑁𝑎𝐵𝑟→𝐴𝑔𝐵𝑟↓+𝑁𝑎𝑁𝑂31) \(2Fe+3Cl_
{2}\xrightarrow{t^{\circ }}2FeCl_{3}\)(2) \(Br_{2}+2KI\rightarrow 2KBr+I_{2}\)
(3) \(Zn+2HCl\rightarrow ZnCl_{2}+H_{2}\uparrow \)
(4) \(AgNO_{3}+NaBr\rightarrow AgBr\downarrow +NaNO_{3}\)
(2) \(Br_{2}+2KI\rightarrow 2KBr+I_{2}\)
(3) \(Zn+2HCl\rightarrow ZnCl_{2}+H_{2}\uparrow \)
(4) \(AgNO_{3}+NaBr\rightarrow AgBr\downarrow +NaNO_{3}\)
(1) \(2Fe + 3Cl_2 \xrightarrow{t^o} 2FeCl_3\)
(2) \(Br_{2}+2KI\rightarrow 2KBr+I_{2}\)
3) \(Zn+2HCl\rightarrow ZnCl_{2}+H_{2}\uparrow \)