What is the primary constituent of Portland cement?
A
Calcium carbonate
B
Calcium silicate
C
Calcium oxide
D
Calcium sulfate
Correct Answer: Option B — Calcium silicate
Explanation:
Calcium silicate compounds form the primary constituent of Portland cement, giving it strength when combined with water. This hydration reac...
Calcium silicate compounds form the primary constituent of Portland cement, giving it strength when combined with water. This hydration reaction produces a hardened matrix used extensively in construction worldwide.