When a brick is immersed in water for 24 hours and then dried, if Options: A . &nbsp50 percent surface is covered with grey or white deposits, the brick has serious efflorescence B . &nbspNo grey or white deposits appear on the surface, the brick is free from soluble salts C . &nbspAll listed here D . &nbsp10 percent surface is covered with grey or white deposits, the brick has slight efflorescence

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

Question

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

Options:

A . 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence

B . No grey or white deposits appear on the surface, the brick is free from soluble salts

C . All listed here

D . 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence

Answer: Option C

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