At the total solid content of 56%, the solution is saturated with respect to NaCl for f NaCl/Sucrose = 0.25. Sodium chloride is hygroscopic, which is why salt cellars / salt shakers become jammed as it sticks together in humid weather. This is the major difference between these two closely related terms. Hygroscopic substances become wet while deliquescent substance dissolve after absorbing moisture. Hygroscopic means it absorbs water but doesn't dissolve. It will be deleted. In Chemistry 5 Answers Available Asked by Blake on 30th April, 2020 To get notifications when anyone posts a new answer to this question, Follow New Answers. CaCl 2 is deliquescent while NaCl is hygroscopic. NaCl is deliquescent, hygroscopic or efflorescent? Why is impure NaCl deliquescent while pure NaCl is not? I'm not too sure about NaCl, but I don't believe that it is either. But table salt is deliquescent due to Magnesium Chloride(MgCl2) impurities. The salt in your salt shaker doesn't absorb any liquid, but I can't say for sure. Pure NaCl is not deliquescent. Give reason to support your answer. Basically, anything that is deliquescent is also hygroscopic. - 3984541 yes, nacl is hygroscopic in nature. Post an Answer. Please don't post or ask to join a "Group" or "Whatsapp Group" as a comment. Figures 1–5 show the model calculations of relative humidity and solution composition from 90 to 120°C versus X NO3 or X Na for the NaCl–NaNO 3–H 2O, the KNO 3–NaNO 3–H 2O, and the NaCl–KNO 3–H 2O systems. vry easy eg. Iron (III) chloride FeCl3, and KOH are both hygroscopic and deliquescent. that are saturated with respect to the same deliquescent min-erals. For e.g. @sunil:very good attempt.we appreciate your contriution to this forum.you deserve thumbs up from experts. is of water absorbtion by it during d rainy reasn , when moisture is more in d air. If there is more than one deliquescent substance present in a mixture of solids, ... 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