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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。
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
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