1.

Identify the substances that are oxidised and the substances that are reduced in the following reactions : CuO(s)+H_(2)(g)toCu(s)+H_(2)O(l)

Answer»

SOLUTION :`underset("COPPER oxide")(CUO(s))+underset("Hydrogen")(H_(2)(g))tounderset("Copper")(CU(s))+underset("Water")(H_(2)O(l))`
In this reaction, CuO is reduced because it loses oxygen. `H_(2)` is oxidised because it combines with the oxygen of CuO to form water.


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