1.

Identify the substances that are oxidised and the substances that are reduced in the following reactions : 4Na(s)+O_(2)(g) to2Na_(2)O(s)

Answer»

SOLUTION :`UNDERSET("Sodium")(4Na(s))+underset("Oxygen")(O_(2)(g))tounderset("Sodium oxide")(2Na_(2)O(s))`
In this reaction, sodium is oxidised because it combines with oxygen to FORM sodium oxide. Oxygen is reduced because it is converted into sodium oxide.


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