Solution - Soaps and Detergents



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Why do soaps not form lather in hard water?


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Explain the formation of scum when hard water is treated with soap.

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Both soap and detergent are some type of salts. What is the difference between them?

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In a locality, hard water, required for an experiment, is not available. However, the following salts are available in the school laboratory:

1. Sodium sulphate

2. Calcium sulphate

3. Magnesium chloride

4. Sodium chloride

5. Calcium chloride

6. Potassium sulphate

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(B) 1, 2 and 5

(C) 1, 2, 4 and 6

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Solution for concept: Soaps and Detergents. For the course 8th-10th CBSE