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| 1. |
Which are important ingredients present in Portland cement ? |
| Answer» Solution :Important ingredients present in Portland cement are dicalcium silicate `(Ca_(2)SiO_(4))` 26%, tricalciumsilicate`(Ca_(3)SiO_(5)) 51%` and tricalciumaluminate `(Ca_(3)Al_(2)O_(6))`11%. | |