user-avatar
linhtruongchi349
2 năm trước
Cho 16,2 gam nhôm phản ứng vừa đủ với 90,6 gam hỗn hợp hai halogen thuộc hai chu kì liên tiếp nhau trong bảng tuần hoàn. Xác định tên của halogen đem dùng.
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Exercise 10: Choose the best answer to complete these following sentences. 1. Astronauts ................. in their spaceship, but they frequently work outside now. A. were used to stay B. used to stay C. were staying D. had used to stay 2. People ................. that the earth is round before. A. were not used to believe B. used to believing C. would not use to believe D. did not use to believe 3. Tuberculosis ................. incurable before. A. use to be thought B. used to be thought C. used to think D. use to think 4. Formerly babies ................. of whooping cough. A. have died B. used to die C. would die D. both B and C 5. These city girls are used ................. in the field. A. to work B. used to lie C. would like D. to working 6. Newton ................. scientific books when being a boy. A. used to read B. has read C. had read D. bad been reading 7. I am sorry I am not ................. fast. A. used to drive B. used to driving C. use to drive D. use to driving 8. Frank used to work in a small shop. He ................. A. doesn’t any more B. still does C. is now D. had never done anything else 9. I ................. in Jakarta. I’ve lived here all my life. A. am used to living B. used to living C. use to live D. am used to live 10. Jane ................. for the telephone company, but now she has a job at the post office. A. used to working B. used to work C. is used to working D. am used to work 11. This work doesn’t bother me. I ................. hard. I’ve worked hard all my life. A. used to working B. used to work C. am used to working D. am used to work 12. Dick ................. a moustache, but he doesn’t any more. He shaved it off because his wife didn’t like it. A. used to having B. is used to having C. was used to having D. used to have 13. When I was a child, I ................. anyone 40 was old. A. used to think B. was used to thinking C. used to thinking D. was used to think

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