Building Materials
Quick lime

May be used for white-washing
Generates heat when added to water
Reacts with carbon dioxide
All listed here

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Building Materials
When a brick is immersed in water for 24 hours and then dried, if

10 percent surface is covered with grey or white deposits, the brick has slight efflorescence
All listed here
No grey or white deposits appear on the surface, the brick is free from soluble salts
50 percent surface is covered with grey or white deposits, the brick has serious efflorescence

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