Amongst the following groups of oxide, the group containing oxides that cannot be reduced by carbon to give the respective metal is

Cu₂O, SnO₂

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Fe₂O₃, ZnO

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CaO, K₂O

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PbO, Fe₃O4

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Solution

The correct option is C
CaO, K₂O

Highly electropositive metals cannot be reduced by ‘C’

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Similar questions

Z n O

F e_{2} O_{3}

A l_{2} O_{3}

S n O_{2}

M g O

C a O

M g O

C O_{2}

S O_{3}

N a_{2} O

Z n O

A l_{2} O_{3}

F e_{2} O_{3}

Which oxide can be reduced to the metal using carbon?

C a O, M g O, C O_{2}, S O_{3}, N a_{2} O, Z n O, A I_{2} O_{3}, F e_{2} O_{3}

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