What are the hydrolysis products of glyceryl oleate (C 17 H 32 COO) 3 C 3 H 5 during preparation of soap?

C 17 H 32 COOH+CH 3 CH 2 CH 2 OH

C 17 H 32 COOH+CH 2 OH−CHOH−CH 2 OH

C 17 H 32 COONa+CH 2 OH−CHOH−CH 2 OH

Which of the following is not a correct statement?

Transparent soaps are made by dissolving the soap in ethanol and then evaporating excess solvent

Soaps that float in water are made by beating tiny air bubbles before their hardening

Medicated soaps contain alcohol to prevent rapid drying

Potassium soaps are soft to the skin than sodium soaps

Soaps do not work in hard water containing calcium and magnesium ions because

Ca 2+ and Mg 2+ ions form insoluble calcium and magnesium salts in the form of scum

Na + and K + present in soap react with Ca 2+ and Mg 2+ and hinder cleansing process

A large amount of soap is to be used in presence of Ca 2+ and Mg 2+

Scum formed by combination of Na + ,Ca 2+ and Mg 2+ stick to the cloth and are not removed on agitation

Which is not true for a detergent molecule?

It has a non-polar organic part and a polar group

It is a sodium salt of fatty acids

Examples of three detergents are given below. Mark the correct statement following the examples.

I and II are non-biodegradable detergents and III is biodegradable

I and II are biodegradable detergents and III is non-biodegradable

I, II and III are non-biodegradable detergents

I is biodegradable and II, III are non-biodegradable

Cleansing Agents (Old NCERT) Free MCQ Practice Test with Solutions

	NCERT Based Tests for NEET 748 tests

	NCERT Based Tests for NEET 748 tests

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