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Building Materials

Q1:

Slacking of lime is affected by

A keeping it exposed to air

B immersing the lime in water

C crushing the lime lumps

D none of these.

ANS:B - immersing the lime in water

The process of adding water to calcium oxide to produce calcium hydroxide is referred to as hydration process or lime slaking. This hydration process, when done with just the right amount of water for chemical reaction, is called "Dry Hydration".



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