Which of the following is/are constituents of cement?

S i O_{2}

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A l_{2} O_{3}

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C a S O_{4}

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All of the above

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Solution

The correct option is A $S i O_{2}$
Portland cement consists essentially of compounds of lime (calcium oxide, $C a O$ ) mixed with silica (silicon dioxide, $S i O_{2}$ ) and alumina (aluminum oxide, $A l_{2} O_{3}$ ).

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Similar questions

The constituents used in the manufacturing of different types of glasses are given below.

Silica( ${SiO}_{2}$ ), Sodium Carbonate ( ${Na}_{2} {CO}_{3}$ ), Calcium Carbonate ( ${CaCO}_{3}$ ), Potassium Carbonate( $K_{2} {CO}_{3}$ ), Boron Oxide ( $B_{2} O_{3}$ ), Alumina ( ${Al}_{2} O_{3}$ ) and Lead Oxide ( $PbO$ )

Choose the option/s that correctly matches the constituents and its use.

Q. Among

A l_{2} O_{3}, S i O_{2}, P_{2} O_{3}, S O_{2}

the correct order of acid strength is

Q. Among

A l_{2} O_{3}, S i O_{2}, P_{2} O_{3}

and

S O_{2}

the correct order of acid strength is :

Among $A l_{2} O_{3}, S i O_{2}, P_{2} O_{3}, a n d S O_{3}$ , the correct order of acid strength is:

Q. Four main oxides present in ordinary portland cement are : CaO,

A l_{2} O_{3}

S i O_{2}

and

F e_{2} O_{3}

. Identify the correct ascending order of their proportions in a typical composition of OPC.

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Which of the following is/are constituents of cement?

The correct option is A SiO2Portland cement consists essentially of compounds of lime (calcium oxide, CaO) mixed with silica (silicon dioxide, SiO2) and alumina (aluminum oxide, Al2O3).

The correct option is A $S i O_{2}$
Portland cement consists essentially of compounds of lime (calcium oxide, $C a O$ ) mixed with silica (silicon dioxide, $S i O_{2}$ ) and alumina (aluminum oxide, $A l_{2} O_{3}$ ).