Question

Which Calcium Compound does not increase the pH of acidic soils? a) Calcium Carbonate b) Calcium Oxide c) Calcium hydroxide d) Calcium sulphate

Answer 1

It is the calcium sulphate.... Calcium sulphate is a neutral salt that results from the reaction between strong acid and strong base.
A neutral salt can't increase the pH of acidic soils.
Correct option D

Answer 2

Calcium Sulphate Compound does not increase the pH of acidic soils


So, Calcium sulphatr is the answer.