在Cu2S＋2Cu2O＝6Cu+SO2↑反应中，说法正确的是 A．Cu2S在反应中既

在Cu₂S＋2Cu₂O＝6Cu+SO₂↑反应中，说法正确的是

A．Cu₂S在反应中既是氧化剂，又是还原剂

B．Cu是氧化产物

C．氧化剂只有Cu₂O

D．生成1mol Cu，反应中转移2mol电子

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解析:略

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在Cu2S＋2Cu2O＝6Cu+SO2↑反应中，说法正确的是 A．Cu2S在反应中既

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