問題詳情
12. The copper oxide (CuO) and carbon powder are fully mixed and heated to produce red metal and gas.Which of the following statements is correct?
(A) the gas is CO2
(B) the red metal is copper carbide
(C) this experiment shows that copper is moreactive than carbon
(D)pour the gas into the water, it can be detected by the pH test strips to bealkaline.
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增