Chemistry MCQs

Page No. 70

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


asolute

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bsolvent

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csolution

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dphase

✓


View Answer phase

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


aKClO4

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bNa2SO4. 10H2O

✓


cK2Cr2O7

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dPbCl2

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View Answer Na2SO4. 10H2O

Which has the minimum freezing point ?


aOne Molal NaCI

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bOne Molal KCI solution

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cOne molal CaCI2

✓


dOne molal urea solution

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View Answer One molal CaCI2

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


aMolarity

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bMolality

✓


cMore fraction of solvent

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dMore fraction of solute

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View Answer Molality

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


aMolarity

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bMolality

✓


cMole fraction

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dall

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View Answer Molality

Which one of the following salt does not hydrolyzed________________?


aNa2SO4

✓


bAlCl3

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cCuSO4

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dNH4Cl

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View Answer Na2SO4

Water of crystallization can be removed by________________?


adrying

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bheating

✓


cevaporation

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dAll of the above

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View Answer heating

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


a180g/dm3

✓


b170g/dm3

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c190g/dm3

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d195g/dm3

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View Answer 180g/dm3

Solution of Na2SO4 will be_________________?


abasic

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bacidic

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cneutral

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dcannot be predicted without data

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View Answer neutral

The compounds in which water molecules are added are called_______________?


aHydrated ions

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bdouble salts

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cHydrates

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dcomplexes

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View Answer Hydrates

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