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# Identify the substances that are oxidised and the substances that are reduced in the following reactions.(i) 4Na(s) + O_2(g) → 2Na_2O(s)

Q 3.     Identify the substances that are oxidised and the substances that are reduced in the following reactions.

(i)      $4Na(s)+O_{2}\rightarrow 2Na_{2}O(s)$

$4Na(s)+O_{2}\rightarrow 2Na_{2}O(s)$