Question

hello mate
3. Identify the substances that are oxidized and that are reduced in the following equation.

i) 4Na(s) + O2(g) → 2Na2O(s)

ii) CuO(s) + H2(g) → Cu(s) + H2O(l)

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Answer 1

Answer:

na is oxidation

cuo is reduction

h2 is oxidation

Answer 2

Step-by-step explanation:

Na is oxidized

Cu is reduced

H2 is oxidized