Chemistry, asked by gchetankumarcr, 6 months ago

identify the substances that are oxidised and substance that are reduced in the following reactions 4na+o2=2na2o or cu

Answers

Answered by Anonymous

Answer:

(i) Na changes to Na2O Hence, oxygen added so here Na oxidized and O2 reduced. (ii) CuO changes to Cu hence oxygen is removed from CuO. Hence, CuO is reduced and H2 is oxidized.

Answered by dthakur

Na changes to Na2O Hence, oxygen added so here Na oxidized and O2 reduced. (ii) CuO changes to Cu hence oxygen is removed from CuO. Hence, CuO is reduced and H2 is oxidized.

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