NEET Chemistry The s-Block Elements Questions Solved

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

(A) PbO, Fe3O4                                   

(B) CaO, K2O

(C) Cu2O, SnO2                                   

(D) Fe2O3, ZnO

(B). Alkali and alkaline earth metals are strong reducing agents. Hence they can not be prepared by the reduction of their oxides.

Difficulty Level:

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