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Bogues Compounds

The constitue...

Question

The constituent compound in Portland cement which reacts immediately with water, and also sets earliest is

A

Tricalcium silicate

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B

Dicalcium silicate

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C

Tricalcium aluminate

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D

Tetracalcium aluminoferrite

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Solution

The correct option is C Tricalcium aluminate
Tricalcium aluminate $(C_{3} A)$ hydrates and hardens the quickest. It liberates a large amount of heat almost instantaneously and contributes somewhat to early strength.

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