Question

Sodium zincate (Na2zn02) is formed by
the reaction of zinc with
A Nitric acid
B Potassium hydroxide
С
Sodium hydroxide
D
Sulphuric acid​

Answer 1

Answer:

I think (d) sulphuric acid

Answer 2

Answer:

Sodium Hydroxide

Explanation:

NaOH + Zn = Na2ZnO2 + H2

This can be explained as:

When Metal reacts with Base it forms Salt and Hydrogen gas is evolved.

But not all bases reacts with metal. This is a very common example of metal reaction with base.