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1. Which of the following reactions cannot occur -
2. Which of the following is the sulphide ore of copper -
Answer variants:
Cuprite
Copper Glance
\(CuSO_4\)(aq) + \(Zn\)(s) → \(ZnSO_4\)(aq) + \(Cu\)(aq)
\(CuSO_4\)(aq) + \(2Ag\)(s) → \(Cu\)(s) +\( Ag_2SO_4\)(aq)
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