SB_JEE-Main 12-4-19_S2 - Competishun – Live JEE & NEET Courses and Exam Prep

JEE MAIN 2019

12-04-2019 S2

Question

The temporary hardness of a water sample is due to compound X. Boiling this sample converts X to compound Y. X and Y, respectively are:

Select the correct option:

$\mathrm{Ca}\left(\mathrm{HCO}_3\right) 2$ and $\mathrm{Ca}(\mathrm{OH})_2$

$\mathrm{Mg}\left(\mathrm{HCO}_3\right) 2$ and $\mathrm{Mg}(\mathrm{OH})_2$

$\mathrm{Mg}\left(\mathrm{HCO}_3\right) 2$ and $\mathrm{MgCO}_3$

$\mathrm{Ca}\left(\mathrm{HCO}_3\right) 2$ and CaO

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Chemistry

Easy

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