The hardness of a water sample |Hydrogen| JEE-MAIN 2019

JEE-MAIN 2019

12-01-2019 S1

Question

The hardness of a water sample (in terms of equivalents of $\mathrm{CaCO}_3$ ) containing $10^{-3} \mathrm{M} \mathrm{CaSO}_4$ is (molar mass of $\mathrm{CaSO}_4=136 \mathrm{~g} \mathrm{~mol}^{-1}$ )

Select the correct option:

10 ppm

100 ppm

90 ppm

50 ppm

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Chemistry

Easy

Start Preparing for JEE with Competishun

Report Issue