user-avatar
linhbelieber31
2 năm trước
Một hỗn hợp gồm Al2O3 ,Al , Fe , Fe2O3 , CuO và Cu . Bằng phương pháp hóa học hãy tách ra hoàn toàn các chất ra khỏi hỗn hợp trên mà không thay đổi khối lượng
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

XI.Write the second sentence so that it has the same meaning to the first one. 1.Pollution affects the environment i may ways. The environment ................ 2.It's impossible for us to predict when the earthquake will happen. We..................... 3.Some farmers are overusing chemicals in their crops. Chemicals .................. 4.Don't leave the trap running while brushing your teeth, or you will waste water. If you........................ 5.Since the invention of special computers, the paths of hurricanes have been predicted. Since special computers.................... 6.The weather is bad, so we can't go hiking in the mountains. If the weather.............. 7.What was the height of the waves in the Japan tsunami 2011. How........................ 8.It's my opinion that you should study English in the UK. If I........................ 9.Global warming wil affect specific regions in different ways, Specific regions........................e 10.It's two years since the Hawaii volcano erupted. The Hawaii volcano.......................

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