Question

Define hydrated substance by giving example.

Answer 1

• Any compound containing water in the form of H₂O molecules, usually but not always with a definite content of water by weight is called as hydrated substance
• The best-known hydrates are crystalline solids that lose their fundamental structures upon removal of the bound water.
• Examples of hydrated substances are:

1. Sodium carbonate decahydrate- Na₂CO₃.10H₂O
2. Copper sulphate pentahydrate -CuSO₄.5H₂O