Cho hình vẽ mô tả thí nghiệm điều chế khí Cl2 từ MnO2 và dung dịch HCl:
Phát biểu nào sau đây sai?
Cho hình vẽ mô tả thí nghiệm điều chế khí Cl2 từ MnO2 và dung dịch HCl:Phát biểu nào sau đây sai?
 | Tôi yêu Việt Nam | Chat Online |
| 01/09 12:20:06 (Hóa học - Lớp 10) |
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Số lượng đã trả lời:
| A. Có thể thay MnO2 bằng KMnO4. 0 % | 0 phiếu |
| B. Bông tẩm dung dịch NaOH ngăn không cho khí Cl2 thoát ra. 0 % | 0 phiếu |
| C. Có thể thay dung dịch NaOH bằng dung dịch CaOH2. 0 % | 0 phiếu |
| D. Có thể thay dung dịch NaCl bằng dung dịch KOH. 0 % | 0 phiếu |
| Tổng cộng: | 0 trả lời |
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