MCQOPTIONS
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| 1. |
Which of the following compounds of Portland cement reacts immediately with the water and set early? |
| A. | Dicalcium silicate |
| B. | Tetracalcium aluminoferrite |
| C. | Tricalcium aluminate |
| D. | Tricalcium silicate |
| Answer» D. Tricalcium silicate | |