Question

Pick out the wrong statement.

a.

Eosin requirement in tallow soap is about 40-50% which fastens the lather formation, softens the hard soaps and increases its cleansing action.

b.

Soap powder is prepared by mixing soap with hydrated sodium carbonate.

c.

Detergents differ from soaps in their action in hard water.

d.

Tarnish inhibitor (e.g., benzotriazole) is added in soap to facilitate the removal of stains due to tea, blood etc.

Posted under Basic Chemical Engineering

Answer: (d).Tarnish inhibitor (e.g., benzotriazole) is added in soap to facilitate the removal of stains due to tea, blood etc.

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