The trade name of sodium hexametaphosphate is_____.

The trade name of soduim hexmetaphosphate is ______

Sodium hexametaphosphate is known as

Polyester is_____.

Phenol is_____.

The sodium lauryl sulphate is_____.

The sodium lauryl sulphate is_____.

IUPAC name of sodium acetate.

Permanent hardness of water can be removed only by chemical methods. Sodium hexametaphosphate is commercially called……………………..