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(A) What is a Soap? Name One Soap. - CBSE Class 10 - Science

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Question

What is a soap? Name one soap.

Solution

Soap is a mixture of sodium or potassium salts of various natural fatty acids and oils, which when used with water show cleansing properties. A soap contains a large, non-ionic hydrocarbon group and an ionic group COO-Na+.
An example for a soap is sodium stearate (C17H35COO-Na+). It is a salt of sodium of fatty acid called stearic acid with a non-ionic hydrocarbon group C17H35, and an ionic carboxylate group COO- Na+.

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APPEARS IN

 Lakhmir Singh Solution for Chemistry for Class 10 (2019 Exam) (2018 to Current)
Chapter 4: Carbon And Its Compounds
Q: 49.1 | Page no. 265

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Solution (A) What is a Soap? Name One Soap. Concept: Soaps and Detergents.
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