Question

What is efflorescence?give example.

Answer 1

Answer:

In chemistry, Efflorescence is the loss of water (or solvent) of crystallization from a hydrated or solvated salts to the atmosphere on exposure to sir. eg: Gypsum (Caso4. 2H2O) is a hydrated solid that in a sufficiently dry environment,will give up it's water to the gas phase and form anhydrite (Caso4). 3.9.