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Q113) Dilute hydrochloric acid can not be concentrated by boiling beyond .. [ AMU 1984]




SOLUTION

22% HCl solution is Azeotropic solution
Answer: (d)


Q114) Which of the following belongs to the halogen family? [ Pn CET 1988]




SOLUTION


Answer: (d)


Q115) Bleaching powder reacts with a few drops of conce HCl to give [ CBSE PMT 1989]



SOLUTION

CaOCl2 + 2HCl → CaCl2 + H2O + Cl2
Answer:(a)



Q116) Which has highest molar heat of vaporization? [ CPMT 1991]



SOLUTION

HF have strong inter molecular H-bonding thus have highest molar heat of vapourization
Answer: (a)


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