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Q.

Is it true that detergents can form scum?

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a

True

b

False

answer is B.

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Detailed Solution

  • The given statement is false.
  • Detergents lather in both hard water and saline water and are made of petroleum hydrocarbons.
  • Detergents are ammonium and suphate salts of long-chain carboxylic acid which do not react with the metal ions to form an insoluble precipitate. Thus, detergents do not form scum.
  • The correct statement would be - Detergents do not form scum.


 

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