Question

The major component/ingredient of Portland Cement is :

• A. Tricalcium aluminate
• B. Dicalcium silicate
• C. Dicalcium aluminate
• D. Tricalcium silicate

Answer 1

The correct option is D Tricalcium silicate

The important ingredients present in Portland Cement are dicalcium silicate $\left(C{a}_{2}Si{O}_4\right))$ (26%), tricalcium silicate $\left(C{a}_{3}Si{O}_5\right))$ (51%), tricalcium aluminate $\left(C{a}_{3}A{l}_2{O}_6\right))$ (11%).