1.

Pick the correct statement

Answer»

Sodium dodecylbenzene sulphonate used in toothpaste is a cationic detergent
Sodium lauryl SULPHATE forms an INSOLUBLE scum with HARD water.
Cetyltrimethyl ammonium bromide is a POPULAR cationic detergent used in hair conditioner.
Non-ionic detergents are formed when POLYETHYLENE glycol reacts with adipic acid.

Solution :Sodium dodecylbenzene sulphonate is an anionic detergent. Cationic detergents (cetyltrimethylammonium bromide) possess excellent germicidal properties and are used in hair conditoners.
Non-ionic detergents are obtained by the reactions between polyethylene glycol and stearic acid,


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