Q. Cement is made hard with
- dehydration
- polymerization
- dissociation of water
- hydration and dissociation of water
Answer: hydration and dissociation of water
Cement is made hard with hydration and dissociation of water.Cement starts to set when mixed with water, which causes a series of hydration chemical reactions. The constituents slowly hydrate and the mineral hydrates solidify. The interlocking of the hydrates gives cement its strength.
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