The temporary hardness of water is due to :-

Question:

The temporary hardness of water is due to :-

 

  1. $\mathrm{Ca}\left(\mathrm{HCO}_{3}\right)_{2}$

  2. $\mathrm{NaCl}$

  3. $\mathrm{Na}_{2} \mathrm{SO}_{4}$

  4. $\mathrm{CaCl}_{2}$

Correct Option: 1

Solution:

$\mathrm{Ca}\left(\mathrm{HCO}_{3}\right)_{2}$ is reponsible for temporary hardness of water

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