user-avatar
vumaihuong1604
2 năm trước
Có những chất sau : Cu, CuO ,Mg,MgCO3. a) hãy cho biết chất nào tác dụng với dd axit sunfuric loãng sinh ra: -chất nào nhẹ hơn không khí - chất nào nặng hơn không khí b)hãy cho biết chất nào tác dụng với dd axit sunfuric đặc sinh ra chất khí là nguyên nhân gây mưa axit Giải hộ cho mik vs ạ(Đang gấp 😅😅😅 )
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Put a (v) next to the sentence that has the same meaning as the original 1. These young people always wear jeans. a. Jeans are always worn by these young people. b. Jeans were always worn by these young people. 2. We ask visitors not to smoke in this area. a. Visitors asked not to smoke in this area. b. Visitors are asked not to smoke in this area. 3. A falling tree injured several people a. Several people were injured by a falling tree. b. Several people are injured by a falling tree. 4. They are fixing a machine. a. A machine is being fixed. b. A machine is fixed. 5. The man was delivesing the mail. a. The mail was being delivesing by the mail. b. The mail is being delivesing to the mail. 6.They speak French is Quebec. a.French was spoken by them. b.French is spoken in Quebec. 7. They have hired Peter to do this job? a. Peter has been hired to do this job. b. Peter has hierd this job. 8. They didn’t finish their work. a. Their work wasn’t finished. b. Their work isn’t finished.

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