Question

Action of concentrated sodium hydroxide on Zinc oxide

Answer 1

ZnO +NaOH = Na2Zno2 + H2O

Explanation:

Zinc oxide+ sodium hydroxide =

Sodium zincate + water

Zinc reacts with concentrated sodium hydroxide to form sodium zincate which is a salt along with water.

As zinc can react both with acids and bases it is also called amphoteric. The same goes with aluminum