Question

what is efflorescence? give one example

Answer 1

In chemistry, efflorescence is the migration of a salt to the surface of a porous material, where it forms a coating.

Copper(II) sulfate (bluestone) (CuSO4.5H2O) is a blue crystalline solid that when exposed to air, slowly loses water of crystallization from its surface to form a white layer of anhydrous copper(II) sulfate.

Sodium carbonate deca hydrate (Na2CO3.10H2O) will lose water when exposed to air.

Answer 2

Answer:

THIS IS THE DEFINITION OF EFFLORESCENCE