Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

The temporary hardness of water is due to

  1. A

    CaCl2

  2. B

    NaCl

  3. C

    Na2 SO4 

  4. D

    Ca(HCO3)2 

Solution

Ca(HCO3)2 is reponsible for temporary hardness of water

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