金屬錫可由錫礦中的 SnO2 與煤焦反應而得，其反應式為：SnO2＋2C → Sn＋2CO，則此反應的還原劑為何？(A) SnO2 (B) CO (C) Sn (D)C。

問題詳情

1. 金屬錫可由錫礦中的 SnO2 與煤焦反應而得，其反應式為：SnO2＋2C → Sn＋2CO，則此反應的還原劑為何？
(A) SnO2
(B) CO
(C) Sn
(D)C。

參考答案

答案：D
難度：計算中-1
書單：沒有書單，新增

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