Question

Zinc oxide on reaction with NaOH forms ______.

Options

• sodium zincate

• zinc hydroxide

• sodium oxide

• does not react

Answer 1

Zinc oxide on reaction with NaOH forms sodium zincate.

Explanation:

Since zinc oxide (ZnO) is an amphoteric oxide, it reacts with a strong alkali like NaOH to undergo neutralisation, producing a soluble salt called sodium zincate (Na₂ZnO₂) and water.