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Chemical Composition of Cement

To increase t...

Question

To increase the initial setting time of cement, the compound responsible is _______.

A

Tricalcium Silicate

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B

Gypsum

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C

Dicalcium Silicate

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D

Tricalcium aluminate

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Solution

The correct option is B Gypsum
Gypsum is used to increase the initial setting time of cement. Gypsum is a retarder and prevents flash set. Cement manufacturing requires about 2 to 3% of Gypsum.

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