Question

what is efflorescence? give one 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).

Answer 2

Answer:

THIS IS THE DEFINITION OF EFFLORESCENCE.