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CHEMISTRY CBSE CLASS X Soaps and Detergents Micelle A spherical aggregate of soap molecules in the soap solution in water.
Limitations of soaps Soap is not suitable for washing clothes with hard water -
Detergents It is the sodium salt of a long chain benzene sulphonic acid ( or the sodium salt of a long chain alkyl hydrogensulphate) which has cleansing properties in water. They are also called soap-less soaps because though they act like a soap in having the cleansing properties, they do not contain the usual soaps like sodium stearate , etc.
Advantages of detergents
Disadvantage of detergents over soaps Some detergents are biodegradable , they cannot be decomposed by micro organisms like bacteria and hence cause water pollution in lakes and rivers .All soaps are bio- degradable and do not cause pollution. CBSE Important Questions Class X Chemistry By : Mrs. Kritika Bhola
Submitted By Mrs. Kritika Bhola |