Question

(a) Give two differences between soap and detergent.

(b) Classify the following into artificial sweeteners, preservatives, soap, detergents : Sodium palmitate, sucralose, salt of sorbic acid, cetyl trimethyl ammonium bromide.

Answer 1

(a)	Soap	Detergents
(1)	These are sodium or Potassium salts of stearic acid	These are derivatives of sulphonic acid and long chain hydrocarbons
(2)	Do not give foams with hard water	Give foams with hard water

(b) Artificial sweetner → sucralose

Preservative → salt of sorbic acid

Soap → sodium palmitate

Detergents → cetyl tri methyl ammonium