efflorescent
anhydrous
hygroscopic
insoluble
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Discussions (16)
From Lamad textbooks all deliquescent compounds are hygroscopic but not all hygroscopic substance are deliquescent. The answer is c
The correct answer is C, all deliquescent substances are also hygroscopic but not all hygroscopic substances are deliquescent.
Thanks for your contributions. Correction has been made, the correct answer is C.
Don't be confused by anyone...
It's seems puzzling but the truth is that deliquescent substance can be anhydrous ( anhydrous means a substance without water)
But a deliquescent substance where it is kept may have a little amount of H2O in it that is not enough to form a solution and u may think it's anhydrous at the moment because it didn't turn a solution...? So this discredits the answer "B"
Meanwhile a deliquescent substance is also a hygroscopic substance why? Because both absorbs moisture from the atmosphere... The only difference is that one (deliquescent) forms a solution afterwards... The remains "C" 💯
Thank u...
From Lamad textbooks all deliquescent compound are hygroscopic but not all hygroscopic substance are deliquescent. The answer is c
You guys are just saying Cccc!!! because JAMB chose C in 1995Chem.
But I believe that this people are correct and JAMB is wrong by choosing C. ..CuSO4 is anhydrous. CoCl2 is anhydrous not hygroscopic......I believe it's {B}
a deliquescent substance are anhydrous bt when they absorb H2O ,it bcoms hydrated i.e CuSO4 absorbs H2O to fom CuSO4.7H2O i.e hydrate
