Everyone must have observed this . The table salt we use daily becomes sticky during rainy season . I understood that the salt absorbs the water vapour present in the atmosphere as it is hygroscopic in nature . Thus it loses its free flowing capacity .
But there must be some criterion match for this phenomena . I observed that as soon as the rainy season starts , salt is not becoming sticky .
Upto 74% relative humidity and temperature upto 20 degree Celsius , salt will not absorb water vapour from atmosphere .
That means humidity level must be more than 74 % of usual and temperature should be less than 20 degree Celsius .
What may happen if temperature is even less than this .?
Solid salt crystals will become watery .
But there must be some criterion match for this phenomena . I observed that as soon as the rainy season starts , salt is not becoming sticky .
Upto 74% relative humidity and temperature upto 20 degree Celsius , salt will not absorb water vapour from atmosphere .
That means humidity level must be more than 74 % of usual and temperature should be less than 20 degree Celsius .
What may happen if temperature is even less than this .?
Solid salt crystals will become watery .
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