Portland cement | The s-Block Elements

JEE MAIN 2022

29-07-2022 S2

Question

Portland cement contains 'X' to enhance the setting time. What is 'X'?

Select the correct option:

$\mathrm{CaSO}_4 \cdot \frac{1}{2} \mathrm{H}_2 \mathrm{O}$

$\mathrm{CaSO}_4 \cdot 2 \mathrm{H}_2 \mathrm{O}$

$\mathrm{CaSO}_4$

$\mathrm{CaCO}_3$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Gypsum $\left(\mathrm{CaSO}_4 \cdot 2 \mathrm{H}_2 \mathrm{O}\right)$ is used to enhance setting time in portland cement.

Question Tags

JEE Main

Chemistry

Easy

Start Preparing for JEE with Competishun