Question

main constituent of cement is?​

Answer 1

Answer:

tricalcium silicate (3CaO. SiO2) , dicalcium silicate (2CaO.

Answer 2

QUESTION:-

Main constituent of cement is?

ANSWER:-

Portland cement consists essentially of compounds of lime (calcium oxide, CaO) mixed with silica (silicon dioxide, SiO2) and alumina (aluminium oxide, Al2O3). The lime is obtained from a calcareous (lime-containing) raw material, and the other oxides are derived from an argillaceous (clayey) material.

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