Which of the following statements related to hydration of cement is/are correct?
1. Hydration of cement begins as soon as water comes in contact with the cement.
• Statement 1 – Correct: Hydration starts immediately when water comes in contact with cement particles. The cement
compounds begin reacting with water and form hydration products.
• Statement 2 – Correct: Hydration of OPC is an exothermic reaction, which means heat is released during the chemical
reaction between cement and water. This heat is called heat of hydration.
Therefore, both statements are correct.
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