Trong phong trào cần vương

-các cuộc khởi nghĩa tiêu biểu

-cuộc khởi nghĩa tiêu biểu nhất

Hòa tan hoàn toàn Zn vào ống nghiệm đựng dung dịch axit clohidric HCl, sau phản ứng thu được 6,72 lít khí hidro (đkc).

a)     Viết phương trình hóa học xảy ra.

b)Tính khối lượng của kẽm đã phản ứng.

 Gọi tên các chất sau: CuSO₄, MgCl₂, Ca(HCO₃)₂, AgNO₃, Fe(OH)₃, H₃PO₄

Hòa tan hoàn toàn Zn vào ống nghiệm đựng dung dịch axit clohidric HCl, sau phản ứng thu được 6,72 lít khí hidro (đkc).

a)     Viết phương trình hóa học xảy ra.

b)Tính khối lượng của kẽm đã phản ứng.

I. Give the correct form of the verbs in the brackets in the future continuous tense.

1. This time next week Helen_____________(travel) to Brazil with her husband.

2. My aunt _____________(open) her new restaurant in town.

3. They _________________(swim) in the sea before the end of the month.

4. _________________your friend ______________(wait) for you at the airport?

5. My grandmother_________________(have) an operation very soon.

6. Jackeline_____________(interview) the candidates for the post.

7. I know you won’t be asleep at 12.00. You______________(play) computer games.

8. Next Saturday night Sonia ______________(have) dinner with some friends.

9. The mechanic_________________(repair) my car in the garage.

10. Joana ______________(live) in Greece happily with her family.

11. My mom_______________(decorate) our new flat.

12. The tennis player _____________(compete) for the World Cup.

13. The police______________(investigate) the kipnapping of the kid.

14. We__________________(celebrate) Christmas in a month’s time.

15. Why_____________you____________(write) these novels in a short period of time?

16. By half past seven your father__________________(arrive) in Berlin.

17. I ______________(not wash) all my summer clothes by ten o’clock.

18. You__________________(answer) all my questions for the survey.

19. My grandparents ____________________(spend) next month in Spain.

20. The gardener_______________(cut) the old trees in aweek.

21. Barbara____________________(do) the shopping in two hours.

22. Your teacher__________________(correct) the final exams right now.

23. The woman ___________________(talk) with her friend on the phone.

24. My alarm clock_______________(ring) tomorrow morning at 7.15.