1.

Assertion A: Pozzolana is added to cement to increase early strength.Reason R: It reduces the heat of hydration.Which of the following is correct?

A. A is true but R is false.
B. Both A and R are true, and R is the correct explanation of A
C. A is false but R is true
D. Both A and R are true, but R is not a correct explanation of A
Answer» D. Both A and R are true, but R is not a correct explanation of A


Discussion

No Comment Found