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Building Materials

Q1: When a brick is immersed in water for 24 hours and then dried, if

A no grey or white deposits appear on the surface, the brick is free from soluble salts

B 10 per cent surface is covered with grey or white deposits, the brick has slight efflorescence

C 50 per cent surface is covered with grey or white deposits, the brick has serious efflorescence

D All the above.

ANS:D - All the above.

No answer description is available.



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