Chemistry MCQs

Page No. 70

Every sample of matter with uniform properties and fixed composition is called_________________?


asolute


bsolvent


csolution


dphase


View Answer phase

Which of the following substance do not show continuous solubility curve ?


aKClO4


bNa2SO4. 10H2O


cK2Cr2O7


dPbCl2


View Answer Na2SO4. 10H2O

Which has the minimum freezing point ?


aOne Molal NaCI


bOne Molal KCI solution


cOne molal CaCI2


dOne molal urea solution


View Answer One molal CaCI2

The molal boiling point constant is the ration of the elevation of boiling point to____________________?


aMolarity


bMolality


cMore fraction of solvent


dMore fraction of solute


View Answer Molality

Which of the following unit of concentration is independent of temperature ?


aMolarity


bMolality


cMole fraction


dall


View Answer Molality

Which one of the following salt does not hydrolyzed________________?


aNa2SO4


bAlCl3


cCuSO4


dNH4Cl


View Answer Na2SO4

Water of crystallization can be removed by________________?


adrying


bheating


cevaporation


dAll of the above


View Answer heating

1 molar solution of glucose in water contains weight of glucose________________?


a180g/dm3


b170g/dm3


c190g/dm3


d195g/dm3


View Answer 180g/dm3

Solution of Na2SO4 will be_________________?


abasic


bacidic


cneutral


dcannot be predicted without data


View Answer neutral

The compounds in which water molecules are added are called_______________?


aHydrated ions


bdouble salts


cHydrates


dcomplexes


View Answer Hydrates

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