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WHAT IS A DELIQUESCENT SUBSTANCE ?
Deliquescent substances are the water attracting or absorbing substances. Such substance becomes moist or wet when placed in damp or moist place by absorbing water.
Example:NaCl.
Deliquescence,  the process by which a substance absorbs moisture from the atmosphere until it dissolves in the absorbed water and forms a solution. Deliquescence occurs when the vapour pressure of the solution that is formed is less than the partial pressure of water vapour in the air.


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