Chemistry Chemistry In Every Day Life ( Not In Syllabus ) Karnataka - CET Previous Year Question Single Correct MCQ
Published on: August 13, 2026

Pick the correct statement among the following :

A
Sodium dodecylbenzene sulphonate used in toothpaste is a cationic detergent.
B
Sodium lauryl sulphate forms an insoluble scum with hard water.
C
Cetyltrimethyl ammonium bromide is a popular cationic detergent used in hair conditioner.
D
Non-ionic detergents are formed when polyethylene glycol reacts with adipic acid.

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The correct answer is:
C

: 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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