(a) Zinc oxide is considered as amphoteric oxide. Explain
(b) Ionic compounds conduct electricity in molten and aqueous state only.
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Zinc oxide is considered as amphoteric oxide because it react with both acids and alkalis to forn salt and water.
Ionic compound conduct electricity in molten state and in aqueous state only because electrostatic forces of attraction weakens in aqueous solution. Hence, ions become mobile.
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