The temporary hardness of water...|Hydrogen|JEEMAIN 2019

JEE MAIN 2019

09-01-19 S2

Question

The temporary hardness of water is due to

Select the correct option:

$\mathrm{CaCl}_2$

NaCl

$\mathrm{Na}_2 \mathrm{SO}_4$

$\mathrm{Ca}(\mathrm{HCO} 3)_2$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Bicarbonates cause temporary hardness. Chlorides and sulphates cause permanent hardness.

Question Tags

JEE Main

Chemistry

Easy

Start Preparing for JEE with Competishun