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  • Portland cement contains to enhance the setting time. What is <img alt="' \mathrm{X}

Portland cement contains ' \mathrm{X}' to enhance the setting time. What is ' \mathrm{X} ' ? 

Option: 1

\mathrm{CaSO}_{4} \cdot \frac{1}{2} \mathrm{H}_{2} \mathrm{O}


Option: 2

\mathrm{CaSO}_{4} \cdot 2 \mathrm{H}_{2} \mathrm{O}


Option: 3

\mathrm{CaSO}_{4}


Option: 4

\mathrm{CaCO}_{3}


Answers (1)

best_answer

Gypsum \left(\mathrm{COSO}_{4} \cdot 2 \mathrm{H}_{2} \mathrm{O}\right) is added portland cement to increase seting time of cement.

Hence option (B) is correct.

Posted by

jitender.kumar

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