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Q: Which of the following components of cement is responsible is responsible for early strength?
  • A. C₃S
  • B. C2S
  • C. C₃A
  • D. C₄AF
Correct Answer: Option A - Tricalcium silicate (C₃S) – • It undergoes hydration within a week or two after the addition of water in cement and hence it is responsible for development of early strength. • It is observed to have best cementious property amongst all Bogue's compound.
A. Tricalcium silicate (C₃S) – • It undergoes hydration within a week or two after the addition of water in cement and hence it is responsible for development of early strength. • It is observed to have best cementious property amongst all Bogue's compound.

Explanations:

Tricalcium silicate (C₃S) – • It undergoes hydration within a week or two after the addition of water in cement and hence it is responsible for development of early strength. • It is observed to have best cementious property amongst all Bogue's compound.