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The s-block Elements — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryThe s-block Elements1 Mark
Question
Why does common salt becomes damp during rainy season?
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Answer

It is due to presence of $\text{CaCl}_2$ and $\text{MgCl}_2$ as impurities which are hygroscopic.

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