Question

3
Identify the substances that are oxidised and the substances
that are reduced in the following reactions,
0 4Nats) - 0,0) ► 2Na,O(s)
(1) CuO(s) + H, (g) → Cu(s) + H2O(1)​

Answer 1

Explanation:

cuo get reduced and h get oxidised

Answer 2

Answer:

in first eq. sodium is oxidised and oxygen is reduced

while in second eq. copper and hydrogen is oxidised and oxygen is reduced