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(viii) Amongest the following groups of oxides, the group containing oxides that cannot be reducing by carbon to give the respective metals is.A. `Cu_(2) O,SnO_(2)`B. `Fe_(2) O_(3),ZnO`C. `CaO,K_(2)O`D. `PbO,Fe_(3) O_(4)` |
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Answer» Correct Answer - C `CaO` and `K_(2)O` are oxides of `Ca` and `K`, which are stronger reducing agent than carbon. |
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