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Which of the following is NOT hard water
A. Water containing CaCl2
B. Water containing dil.HCl
C. Water containing MgSO4
D. None of these

Asked by anirbanbag81 15th October 2017, 5:32 PM
Answered by Expert
Option B is the correct answer. (Water containing dil. HCl is not a hard water).
Hard water is the water containing Ca and Mg salts.
Answered by Expert 16th October 2017, 10:00 AM
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