__________ is the major constituent of the Portland cement. Options: A . &nbspCalcium carbonate B . &nbspCalcium oxide C . &nbspTricalcium silicate D . &nbspCalcium sulphate

__________ is the major constituent of the Portland cement.

Question

__________ is the major constituent of the Portland cement.

Options:

A . Calcium carbonate

B . Calcium oxide

C . Tricalcium silicate

D . Calcium sulphate

Answer: Option C

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