Which of the following compound imparts hardness to water:

  1. Ca(HCO3)2
  2. Mg(HCO3)2
  3. NaAlO2
  4. CaCl2
Anurag Mishra Professor Asked on 18th April 2016 in Chemistry.
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1 Answer(s)

Answer: (1) Ca(HCO3)2 

Anurag Mishra Professor Answered on 23rd April 2016.
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