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Yami Thakur • 9.05K Points
Tutor III Chemistry 

Q. Detergents produce lather with hard water because

  • (A) they are soluble in hard water
  • (B) they are colourless substances
  • (C) they form sodiun carbonate with hard water
  • (D) the calcium and magnesium salts of sulphonic acids are soluble in water
Correct Answer - Option(D)

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