1.

Match the conversions in Column I with the type (s) of reaction (s) given in Column II. {:(,"Column I",,"Column II"),((A),PbStoPbO,(p),"Roasting"),((B),CaCO_(3)toCaO,(q),"Calcination"),((C),ZnStoCu,(r),"Carbon reducrtion"),((D),Cu_(2)toCu,(s),"Self reduction"):}

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ANSWER :A::B::C::D


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