user-avatar
mailuong048
2 năm trước
. Oxi hoá 16,8 gam Fe thu được 21,6 gam hỗn hợp các oxit sắt. Cho hỗn hợp oxit này tác dụng hết với H2SO4 đặc, nóng dư sinh ra V lit SO2 (đktc). Tính LÀM BT e ạ
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

III. Choose the word or phrase (A, B, C or D) that best completes the sentence. 6. The fatter I become, the ____________I run A. quicker B. more slowly C. slower D. more fast 7. ____________go past the traffic lights, and ___________turn left. A. First-than B. First-then C. Then-first D. Finally-then 8. It is ___________to live far from the market and the supermarket. A. easy B. inconvenient C. convenient D. comfortable 9. They have been in love with each other ____________they were young. A. while B. until C. for D. since 10. I have been_________many beautiful places in Viet Nam. A. at B. on C. in D. to 11. ______________are the Olympic Games held? A. How B. How long C. How often D. How much 12. Leave early so that you ____________ miss the bus. A. didn't B. shouldn’t C. won’t D. mustn't 13. What’s the weather ______________ in Ha Noi? A. to like B. likes C. like D. liking 14. A hi-tech robot will help us __________ children while we are away. A. look out B. look at C. look after D. look in 15. Our future houses will use_______________energy, and they are very friendly to the environment. A. sun B. sunny C. solar D. lunar

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