Chemical used to check the volatilization loss of N from compost pit

A. Calcite

B. Urea

C. Gypsum

D. HCl

Answer: Option C

Solution(By Examveda Team)

Gypsum is the chemical used to check the volatilization loss of Nitrogen from the compost pit.
Volatilization is the loss of nitrogen to the atmosphere as ammonia gas from the soils or fertilizer applied to soil surfaces. Gypsum improves the retention of N during composting.