NEET levelSingle correct optionDifficulty 1 of 3sb166
In the Solvay process, ammonia is recovered from NHX4Cl by treating it with
ACOX2
BCa(OH)X2
CHX2SOX4
DNaCl
Answer: B
Slaked lime, made from quicklime and water, is a base stronger than ammonia. It liberates ammonia: 2NHX4Cl+Ca(OH)X22NHX3+CaClX2+2HX2O. The ammonia is returned to the process.