Compound which is added to soap to impart antiseptic properties is ....
(a) sodium laurylsulphate
(b) sodium dodecylbenzenesulphonate (
c) rosin
(d) bithional

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Solution

Answer (d). Bithional

Basically, all soaps are made by boiling fats or oils with suitable hydroxide. Variations are made by adding different raw materials. Sodium lauryl sulphate and sodium dodecylbenzene sulphonate are anionic detergents.
Gum rosin is added to soap to make it lather well. Bithional is added to soaps to impart antiseptic properties to soap.

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