Identify the substances that are oxidised and the substances that are – InterviewSolution

1.	Identify the substances that are oxidised and the substances that are reduced in the following reactions:i. 4Na(s) + O2(g) → 2Na2O(s)ii. CuO(s) + H2(g) → Cu(s) + H2O(I)
Answer» i. In the given reaction, sodium gets oxidised to sodium oxide (Na2O) and oxygen gets reduced. ii. In the given reaction, hydrogen getsoxidised to water and copper (II) oxide gets reduced to copper metal.

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