Civil Engineering MCQAE Level Civil Engineering
A brick masonry wall is most vulnerable to efflorescence when bricks contain salts of
Building MaterialsGeneralMEDIUM
Choose the correct answer
A
calcium carbonate only
B
silica only
C
iron oxide only
D
sodium and potassium
Correct Answer
D. sodium and potassium
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Soluble salts of alkalis are carried to the surface by moisture and crystallize as deposits.
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