Ncert Exercises & Solutions

Compound which is added to soap to impart antiseptic properties is

1. Sodium lauryl sulfate

2. Sodium dodecylbenzene sulphonate

3. Rosin

4. Bithional

Basically, all soaps are made by boiling fats or oils with suitable hydroxide. Variations are made by adding different raw materials. Sodium lauryl sulfate and sodium dodecylbenzene sulphonate are anionic detergents.

Gum rosin added to the soap to make it lather well. Bithional is added to soaps to impart antiseptic properties to soap.

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