Question

Why should we use iodised salt instead of rock salt

Answer 1

Iodised salt is iodised. Whereas in the rock salt there is impurity. And the iodised salt is purified.

Answer 2

It is advised to use iodised salt because thyroid gland needs iodine to produce thyroxin hormone . Thyroxin hormone controls all the metabolic activities of our body like metabolism of carbohydrates , fats and protein . Due to the deficiency of thyroxin a disease called goitre is caused .