user-avatar
Hoangtrang
2 năm trước
Viết phương trình hóa học chứng minh: a) Clo có tính oxi-hóa. b) Clo vừa thể hiện tính oxi-hóa, vừa thể hiện tính khử. xin giup do cam on.
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

III. Choose the correct answers. 11. Do you believe that the first footer us good or bad luck? A. must take B. should bring C. can make D. can bring 12. Students copy their classmates....... work. A. should B. shouldnC. must D. not 13. People in Laos water over one another. A. give B. throw C. take D. bring 14. The American a midnight kiss with someone they love. A. share B. take C. brings D. celebrate 15. People in many countries in the world often wear their clothes on the New Year Day. A. tradition B. traditional C. ordinary D. summer 16. On New Year.........Day, children in Korea make a to their parents or elders and wish them a long and healthy . A. bow - live B. friend - lives C. bows - lives D. bow - life 17. I wish you a life and health. A. long - best B. big - good C. long - good D. happy - bad 18. We should help our mothers the table after the meal. A. make B. to make C. clear D. to clearing 19. I will my lucky money in my piggy bank. A. keep B. spend C. borrow D. give 20. At Tet, many people present rice to wish enough food throughout the year. A. in B. at C. for D. with 21. We shouldn...... play music after midnight. A. careful B. right C. loud D. easy 22. Some Vietnamese people don.........eat shrimps New Year's Day. A. in B. on C. at D. during 23. The Times Square Ball begins its fall millions of voices countdown the final seconds of the year. A. when B. during C. throughout D. because 24. Children should help their parents their house flowers and pictures. A. repaint - with B. make - more beautiful C. decorate - in D. decorate - with 25. New Year.....Eve is a night when members of a family often get . A. together B. another C. other D. others 26. January 1 st is a day when people in Europe and America New Year. A. see B. remember C. celebrate D. spend 27. On New Year... Day, children lucky money red envelope. A. get - in B. ask - on C. take - at D. have - with 28. In London people cheer and sing when the clock midnight on New Year.....Eve. A. gets B. strikes C. see D. goes 29. People believe that water over people will . a lot of rain in the New Year. A. throw - bring B. throwing - bring C. to throw - bringing D. throwing - bringing 30. On New Year.......Day, many people put on their best clothes and go to or visit their . A. houses - friends B. pagodas - relatives C. pagoda - relative D. the main room – friend

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team