1. Detergents are soluble in water
  2. Detergents could not give much lather
  3. Detergents give lather even with hard water
  4. Soaps give lather with only soft water
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1 Answers

Answer: Option 3

An advantage of detergents over soaps is that detergents do not precipitate in hard water, unlike soap, and clothes can be easily washed with detergents in hard water.

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