Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Alkaline Earth Metals Single Correct MCQ
Published on: August 13, 2026

In curing cement plasters, water is sprinkled from-time to time. This helps in :

A
developing interlocking needle like crystals of hydrate silicates
B
hydrated sand gravel mixed with cement
C
converting sand into silicic acid
D
keeping it cool.

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The correct answer is:
A

Setting of cement is an exothermic process, Hence cement structures have to be cooled during setting to develops interlocking needle like structure crystals of hydrate silicates.

2CaO.SiO 2 + xH 2 O 2CaO.SiO 2 .xH 2 O.

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