Question : Cement is made hard with
Option 1: Dehydration
Option 2: Hydration and dissociation of water
Option 3: Dissociation of water
Option 4: Polymerisation
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Correct Answer: Hydration and dissociation of water
Solution : Correct Answer is Hydration and dissociation of water
Cement hardens due to hydration, chemical reactions that occur independently of the water concentration of the mixture, they will harden even while submerged or regularly exposed to damp conditions. When anhydrous cement powder is combined with water, the process creates hydrates that are not water soluble.
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