Question

3.
Identify the substances that are oxidised and the substances
that are reduced in the following reactions.
(i) 4Na(s) + 0.g) - 2Na, O(s)
(ii) CuO(s) + H, (g) → Cu(s) + H,O(1)
plz help me.....​

Answer 1

in option 1
oxidized is 4Na and reduced is O2
in option 2
oxidized is   H2     and reduced is Cuo

Answer 2

please mark this brainliest answer hope this will help you.