Please answer question b
and please don't answer 'sorry don't know' or something that doesn't make sense if you don't know please don't answer so that others can have the chance to answer correctly
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Explanation:
effloresces - to change either throughout or on the surface to a mealy or powdery substance upon exposure to air, as a crystalline substance through loss of water of crystallization.
deliquesce - To dissolve and become liquid by absorbing moisture from the air.
hygroscopic - a substance is one that readily attracts water from its surroundings, through either absorption or adsorption.
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