Question

what is efflorescence​

Answer 1

Explanation:

In chemistry, efflorescence is the migration of a salt to the surface of a porous material, where it forms a coating.

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Answer 2

α phєnσmєnσn whєrє thє cσmpσund lσsєs íts wαtєr σf crчstαllízαtíσn whєn ít ís єхpσsєd tσ drч αír.