cho bột nhôm tác dụng vừa đủ với 200 gam dung dịch HCl 21,9%
a,Viết phương trình hóa học xảy ra
b,Tính thể tích khí sinh ra sau khi phản ứng
c,Lượng khí Hiđro thu đc ở trên qua bình đựng 32gam CuO đun nóng thu được m gam chất rắn.tTnh khối lượng % các chất có trong m gam chất rắn
22. “What time is the next class?” asked she
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23. “What’s your name?” the teacher asked
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24. “How many brothers do you have?” he asked
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25. “Why are all the students late for class?” asked the principal
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26. “Where do you go for a picnic?” asked she
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22. “What time is the next class?” asked she
=>………………………………………………………………………………………………..
23. “What’s your name?” the teacher asked
=>………………………………………………………………………………………………..
24. “How many brothers do you have?” he asked
=>………………………………………………………………………………………………..
25. “Why are all the students late for class?” asked the principal
=>………………………………………………………………………………………………..
26. “Where do you go for a picnic?” asked she
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1. “ Do you live in Bac Giang city, Miss Nga?” asked Tam.
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2. He said “Will you come here tonight?”
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3. “Do you have a double room?” I asked him.
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4. “Is there any river near here ?” asked she.
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5. “Are these books expensive ?” asked he.
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6. “Can they use the computer excellently ?” aske Ba.
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7. “Have you finished your exams ?” she aske me
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8. “What’s your name?” asked the teacher.
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9. “How much water do you drink everyday, Hoa?” asked Quang
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10. “ “When are you coming back ?” asked he
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11. “How long does the train take ?” she asked.
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12. “ “Why are you so late ?” the teacher asked him.
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13. “What time does the plane arrive ?” asked he.
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14. “Do you do exercise everyday ?” asked he.
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15. “Can you do this exercise well, Ba?” asked Tam.
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15. “Are these students late for class?”he asked
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16. “Can you speak Chinese?”she asked me
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17. “Will it rain tomorrow morning?” he asked his friend.
=> He asked………………………………………….
18. “When do your children go swimming ?” she asked
=> She asked……………………………………………
19. “Why is she laughing ?” Ha asked Mr Ba
=> Ha asked……………………………………………….
20. “What are you doing this weekend?” asked he
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21. “How often do you go to the cinema?” asked he
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22. “What time is the next class?” asked she
=>………………………………………………………………………………………………..
23. “What’s your name?” the teacher asked
=>………………………………………………………………………………………………..
24. “How many brothers do you have?” he asked
=>………………………………………………………………………………………………..
25. “Why are all the students late for class?” asked the principal
=>………………………………………………………………………………………………..
26. “Where do you go for a picnic?” asked she
=>…………………………………………………………
