1.

In the following reactions, ZnO is respectively acting as a/an (i) ZnO + Na_(2)O rarr Na_(2) ZnO_(2) (ii) NzO + CO_(2) rarr ZnCO_(3)

Answer»

Acid and acid
Acid and base
Base and acid
Base and base

Solution :In (i) , NZO acts as an acidic oxide because `Na_(2)O` is a BASIC oxide
In (ii), ZNO acts asa basic oxide because `CO_(2)` is an acidic oxide
Thus, ZnO is an amphoteric oxide.


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