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Chemical Engineering :: Stoichiometry

  1. The density of a gas at N.T.P.is 'ρ'. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become ¾ 0.75ρ at a temperature of __________ °K

  2. A.

     273°

    B.

     300°

    C.

     400°

    D.

     300°

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  3. An oxidation process is accompanied by decrease in the

  4. A.

     Number of electrons

    B.

     Oxidation number

    C.

     Number of ions

    D.

     All of the above

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  5. 1 torr is equal to __________ mm Hg column.

  6. A.

     1

    B.

     0.1

    C.

     10

    D.

     1000

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  7. Viscosity of 1 centipoise is equal to 1 centis-toke in case of

  8. A.

     Water

    B.

     Mercury

    C.

     Carbon tetrachloride

    D.

     None of these

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  9. Pick out the wrong statement.

  10. A.

     One kg-mole of an ideal gas occupies 22.4 m³ at N.T.P

    B.

     One lb-mole of an ideal gas occupies 359 ft³ at N.T.P

    C.

     One gm-mole of an ideal gas occupies 22.4 litres (i.e., 22400 c.c) at N.T.P

    D.

     Density of dry air at N.T.P. is 1 gm/litre

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  11. Cv for monoatomic gases is equal to(where, R = gas constant)

  12. A.

     R

    B.

     1.5 R

    C.

     2R

    D.

     3R

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  13. The equilibria relations in a multicom-ponent and multiphase system can not be calculated with the help of the

  14. A.

     Phase rule

    B.

     Experimental data

    C.

     Emperical equations

    D.

     Theoretical equations

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  15. Solutions which distil without change in composition are called

  16. A.

     Ideal

    B.

     Saturated

    C.

     Supersaturated

    D.

     Azeotropic

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  17. A saturated vapor on being compressed would

  18. A.

     Condense

    B.

     Form wet steam

    C.

     Both A & B

    D.

     Neither A nor B

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  19. One of the specific gravity scales is "Brix" (used speicifically for sugar solution). It is defined as

  20. A.

     Brix = (400/G) - 400

    B.

     Brix = 200 (G-1)

    C.

     Brix = 145 - (145/G)

    D.

     None of these

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