1.

Distinguishsoap from detergent.

Answer»

Solution :Soaps and detergent are two artificially SYNTHESIZED substances which areindispensable in our dialy activity.
Soaps : Chemical composition wise soaps are thesodium salts of fatty acids. Examples of different fatty acids are olive oil, cotton seed oil, repeseed oil etc. When sodium hydroxide solution istreated with vegetables oil, soap isproduced. Soap forms PRECIPITATE in hard water and does not lather properly.
Hence soap is INEFFECTIVE in hand water.
Detergents : Detergents are sodiumsalt of alkyl hydrogen sulphate. Detergents do not form precipitates in hard water andcan be USED effectively in hand water. The cleansing of detergent is SUPERIOR to that of soap. Examples of a detergent is sodium lauryl sulphate.


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