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Composition and Manufacture and Uses of Cement

Important con...

Question

Important constituent of Portland and high alumina cements is?

A

C a_{3} A l_{2} O_{6}

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B

C a S i O_{3}

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C

C a S O_{4} .2 H_{2} O

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D

F e_{2} C O_{3}

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Solution

The correct option is A $C a_{3} A l_{2} O_{6}$
Portland cement essentially consists of compounds of lime(Calcium Oxide CaO) mixed with silica(Silicon dioxide ) and Alumina(Aluminium Oxide).

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Composition and Manufacture and Uses of Cement

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