1.

Among the following groups of oxides, the group containing oxides that cannot be reduced by carbon to give the respective metals is

Answer»

`Cu_(2)O, SnO_(2)`
`Fe_(2)O_(3),ZNO`
`CaO,K_(2)O`
`PbO,Fe_(3)O_(4)`

Solution :Ca and K are strong reducing agents, hence their oxides cannot be reduced with carbon.


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