Solutions Test 3

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Solutions A test from chapter 9 i.e Solutions of Chemistry part 1. This is Free online test for FSc and Entry test Preparation for UET, NUST, FAST, GIKI, PIEAS, NFC, Punjab University, UHS, other Engineering Universities and Medical Colleges.


1. The freezing mixture used in ice cream machine consists of ice and
    A) NaCl
    B) CaCl2
    C) KNO3
    D) both a and c


2. When equal volumes of ether and water are shaken, then two layers are formed the ether layer contains water

    A) 5.3%
    B) 6.3%
    C) 1.2%
    D) 2.1%


3. A solution of sucrose is 34.2%. The volume of solution containing one mole of solute

    A) 500 cm^3
    B) 1000 cm^3
    C) 342 cm^3
    D) 3420 cm^3


4. Salt of a weak acid with strong base when dissolved in water gives

    A) acidic solution
    B) basic solution
    C) neutral solution
    D) none


5. Mole fraction of 10% urea is

    A) 0.042
    B) 0.023
    C) 0.032
    D) 0.072


6. Which of the following mixtures of liquids show negative deviation

    A) ethyl alcohol ether
    B) HCl and water
    C) phenol water
    D) chlorobenzene bromobenzene


7. The term cryoscopy is used

    A) depression of freezing point
    B) elevation in boiling point
    C) lowering of vapour pressure
    D) osmotic pressure


8. The term ebullioscopy is used

    A) depression of freezing point
    B) elevation in boiling point
    C) lower of vapour pressure
    D) none


9. Azeotropic mixture

    A) obey Henry's law
    B) obey Raoult's law
    C) do not obey Raoult's law
    D) obey Dalton's law


10. Hydrolysis of potassium acetate produce

    A) acidic solution
    B) neutral solution
    C) basic solution
    D) none

I am Mechatronics and Control Engineer from UET, Lahore. Helping Engineering students gives me pleasure.

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