user-avatar
ltdieuhuong2101
2 năm trước
Giúp mk câu này với ạ mình cảm ơn Cân bằng các phương trình +Al2O3+HCl tạo ra AlCl3+H2O +H2O+P2O5 tạo ra H3PO4 +Fe+Cl2 tạo ra FeCl3 +Al+HCl tạo ra AlCl3+H2 +Ca+H3PO4 tạo ra Ca3(PO4)2+H2 +Fe(OH)3 tạo ra Fe2O3+H2O +H2O+P2O5 tạo ra H3PO4
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

* Choose the best answer to complete the sentences. 01. Factories and offices should be built in …………………areas only. A. rural B. coastal C. cultural D. urban 02. Although Da Nang is a big city, the cost of living is …………………. A. affordable B. high C. fabulous D. comfortable 03. About 85 per cent of city …………………breathe heavily polluted air. A. villagers B. livers C. dwellers D. members 04. When I turned up, the town hall was already …………………of teenagers. A. full B. packed C. crowded D. jammed 05. The railway station was criticized for its lack of disabled …………………. A. facilities B. system C. schedule D. preparation 06. This city has one of the most …………………underground rail networks in the world. A. efficient B. fashionable C. cosmopolitan D. fascinated 07. The …………………bread we occasionally buy from the mini-mart is not French but Irish. A. pleased B. reliable C. stressful D. delicious 08. Despite all the …………………, I still enjoy getting out in the countryside whenever I can. A. conveniences B. comforts C. impacts D. drawbacks 09. This street was renowned for its …………………sports stores, but it’s starting to go downhill. A. easy-going B. fashionable C. frightening D. annoying 10. …………………is a real problem for new graduates and unskilled workers in the country now. A. Pollution B. Traffic jam C. Unemployment D. Crime 11. There are also some commodities, soft drinks, fast food and …………………specialties in this shop. A. international B. local C. nationwide D. worldwide 12. Inner city schools gleam with modern gadgetry, while …………………schools lack basic textbooks. A. suburban B. urban C. downtown D. metropolitan 13. Perth is a very …………………city and I believe it to be an exciting education and tourist destination. A. exhausted B. helpful C. liveable D. cheerful 14. She is still amazed by the …………………and sounds of the city though she has lived here for 5 years. A. sights B. attractions C. destinations D. sites 15. The household registration reform abolished the distinction between farmers and city …………………. A. natives B. villagers C. dwellers D. tenants

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