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?
1
A is true but R is false.
2
Both A and R are true, and R is the correct explanation of A
3
A is false but R is true
4
Both A and R are true, but R is not a correct explanation of A
5
Question Not Attempted