Question

name a hydrated salt . why it is called hydrated?​

Answer 1

Explanation:

Salts are called hydrated salts because there are one or more chemically combined water molecule. This is known as water of crystallization. It indicates the number of water molecules which are chemically combined with the salt in its crystalline 

Other examples of hydrates are Glauber'ssalt (sodium sulfate decahydrate, Na2SO4∙10H2O); washing soda (sodium carbonate decahydrate, Na2CO3∙10H2O); borax (sodium tetraborate decahydrate, Na2B4O7∙10H2O); the sulfates known as vitriols (e.g., Epsom salt, MgSO4∙7H2O); and the double salts known collectively as alums (M+2