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Assertion Setting of cement is an exothermic process. Reason It involves dehydration of calcium aluminates and calcium silicates.A. Both A and R are true and R is the correct explanation of AB. Both A and R are true but R is not a correct explanation of AC. A is true but R is falseD. A is false but R is true or (E) Both A and R are false. |
| Answer» Correct Answer - C | |