Building Materials
Rapid hardening cement attains early strength due to

Lesser proportion of lime grounded coarser than normal cement
Excess percentage of gypsum
Lesser proportion of lime grounded finer than normal cement
Larger proportion of lime grounded finer than normal cement

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Building Materials
Distemper is

A drying agent
A water proofing agent
A paint consisting of colored cement and water
A paint consisting of powdered chalk, pigments and water

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