Question

what is the family of salt

Answer 1

Salts belong to sodium family: All salts having sodium ions as positive radical belong to the same family, i.e. sodium family. For example: sodium chloride, sodium sulphate, sodium nitrate, etc.

Answer 2

Salts having common acids or bases are said to belong to the same family. This is known as family of salt.

sodium nitrate and calcium nitrate belong to the nitrate family.