Question

. Name the substance oxidized and reduced in the given reactions :

i. 4Na(s) + O2(g) → 2Na2O(s)

ii. CuO(s) + H2(g) → Cu(s) + H2O(l)

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Answer 1

Answer:

1. 2Na20 is oxidised

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Answer 2

Explanation:

I) substance oxidized- Na

substance reduced- O

ii.substance oxidized - H2

substance reduce d- Cu

something you need to know

oxidized- the substance gaining oxygen

reduced- the substance loosing oxygen