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Q: Identify the correct statements.
  • A. White cement is unsuitable for ordinary work.
  • B. Pozzolana cement is grey in colour
  • C. C3S is tricalcium silicate
  • D. Strength of cement should not be disturbed until it is to be used
Correct Answer: Option C - C₃S is tricalcium silicate. It is the best cementing property of Bogue's compound present in cement. White cement can be used for the ordinary work. It is same as ordinary Portland cement. The only difference is that in white cement Fe₂O₃ is very less.
C. C₃S is tricalcium silicate. It is the best cementing property of Bogue's compound present in cement. White cement can be used for the ordinary work. It is same as ordinary Portland cement. The only difference is that in white cement Fe₂O₃ is very less.

Explanations:

C₃S is tricalcium silicate. It is the best cementing property of Bogue's compound present in cement. White cement can be used for the ordinary work. It is same as ordinary Portland cement. The only difference is that in white cement Fe₂O₃ is very less.