Question

Q 6.By adding gypsum to cement
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Answer 1

Answer:

it increases the settling period of cement

Answer 2

Answer:

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Explanation:

The main purpose of adding gypsum in the cement is to slow down the hydration process of cement once it is mixed with water. The process involved in hydration of cement is that, when the water is added into cement, it starts reacting with the C3A and hardens.