Question

an example of white efflorescencent crystal
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Answer 1

Answer:

please mark as briliant answer

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Efflorescences can occur in natural and built environments. On porous construction materials it may present a cosmetic outer problem only (primary efflorescence causing staining), but can sometimes indicate internal structural weakness (migration/degradation of component materials). Efflorescence may clog the pores of porous materials, resulting in the destruction of those materials by internal water pressure, as seen in the spalling of brick.

Answer 2

Answer:

example of white efflorescencent crystal :

because the vapour pressures of washing soda (Na2CO. ... Hydrated cupric sulfate, or blue vitriol (CuSO