Chapter : 6. Carbon and Its Compound
Advantages and Disadvantages of Soap
93. Advantages of Soap :
(i) Soap is cheaper and readily available.
(ii) It works well for cleaning of clothes with soft water (water which does not contain Ca2+ तथा Mg2+)
(iii) Soaps are 100% biodegradable, i.e., decomposed by micro-organisms present in sewage, therefore, they do not create water pollution.
94. Disadvantages of Soap :
(i) It does not work well with hard water containing Ca2+ or Mg2+. It reacts with Ca2+ and Mg2+ to form white precipitate which is called scum and soap goes waste. The reaction which takes place is a follows.
Thus, soap solution forms less lather with hard water.
(ii) Soap is not suitable for washing woolen garments because it is basic in nature and woolen garments have acidic dyes.
(iii) Soap are less effective in saline water and acidic water.
(i) Soap is cheaper and readily available.
(ii) It works well for cleaning of clothes with soft water (water which does not contain Ca2+ तथा Mg2+)
(iii) Soaps are 100% biodegradable, i.e., decomposed by micro-organisms present in sewage, therefore, they do not create water pollution.
94. Disadvantages of Soap :
(i) It does not work well with hard water containing Ca2+ or Mg2+. It reacts with Ca2+ and Mg2+ to form white precipitate which is called scum and soap goes waste. The reaction which takes place is a follows.
Thus, soap solution forms less lather with hard water.
(ii) Soap is not suitable for washing woolen garments because it is basic in nature and woolen garments have acidic dyes.
(iii) Soap are less effective in saline water and acidic water.
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