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Passage 1 Synthetic detergents are cle...

Passage 1
Synthetic detergents are cleansing agents which have all the propeties of soaps but they actually do no contain any soap. These can be used in both hard as well as soft water as they give foam even in hard water. All the detergents are not biodegadable and hence cause water pollution in rivers and other water ways.
3. Which of the following enhances lathering property of soap ?

A

Sodium rosinate

B

Sodium carbonate

C

Sodium stearate

D

Trisodium phosphate

Text Solution

Verified by Experts

The correct Answer is:
A
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Synthetic detergents work well even in hard water. T/F

Why detergents are better cleansing agents than soaps ? Explain.

Soaps are the detergents used since long. Soaps used for cleansing purpose are sodium or potassium salts of long chain fatty acids such as stearic acid, palmitic acid. These cannot be used with hard water. Synthetic detergents are cleansing agents which have all the properties of soap but which actually do not contain any soap. These can be used both in soft water and hard water as they give foam even in hard water. Which of the following is called invert soap?

Soaps / Synthetic detergents can be used even in hard water.