user-avatar
annguyen1112k2
2 năm trước
GIÚP MÌNH Ạ!!! Nêu phương pháp tách riêng hỗn hợp khí $NH_{3}$, $H_{2}$S, $H_{2}$
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1. Environmental groups want a total ____________ on the dumping of nuclear waste. ( prohibit) 2. I am ____________ that people have spoiled this area. ( disappoint) 3. Electricity, gas and water are __________ in Western countries. (need) 4. There has been some ___________ in unemployment recently. ( reduce) 5. There are a lot of technological ______________ designed to save energy. ( innovate) 6. We find advertising on television very ___________ . (effect) 7. I switched the light off to save ______________ (electric) 8. Energy _____________ includes searching for alternative fuels. (conserve) 9. Energy-saving bulbs help _____________ save money. (consume) 10. She needs only one more stamp to complete her ______________ . (collect) 11. _________________ friendly energy sources include water and wind power. ( environment) 12. People who exercise ____________ are less likely to feel stress. ( regular) 13. Many household _____________ are expensive to run. ( apply) 14. New Zealand’s growing reputation as a ______________ of wine. ( produce) 15. We were all impressed by the speed and ______________ of the new system. (efficient) nhớ giải thích ạ!

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