Question no 3034 SSC CGL Tier 1 Genral Awareness Questions and Answers Online Test 89

SSC CGL Tier 1 :: GA Test 89

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1 .

Cement is made hard with

[ A ] dehydration
[ B ] hydration and dissociation of water
[ C ] dissociation of water
[ D ] polymerisation

Answer : Option B

Explanation :

Cements harden because of hydration, chemical reacti ons that occur independently of the mixture's water content, they can harden even underwater or when constantly exposed to wet weather. The chemical reaction that resul ts when the anhydrous cement powder is mixed with water produces hydrates that are not watersoluble.

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