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

no grey or white deposits appear on the surface, the brick is free from soluble salts
 
10 per cent surface is covered with grey or white deposits, the brick has slight efflorescence
 
50 per cent surface is covered with grey or white deposits, the brick has serious efflorescence
 
All the above.
 

Answer

A Foxoyo User

Statistics

0 Level
0
Attempts
0
Accuracy
0
Bookmark
2
Tags

Quizes

Related Questions