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Chemical Engineering :: Stoichiometry

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Stoichiometry - Section 5
Stoichiometry - Section 6
Stoichiometry - Section 7
Stoichiometry - Section 8
Stoichiometry - Section-9

  1. Kinetic theory of gases stipulates that, the

    2. A.
    energy is lost during molecular collisions.
    B.
    molecules possess appreciable volume.
    C.
    absolute temperature is a measure of the kinetic energy of molecules.
    D.
    none of these.

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  2. Solutions having the same osmotic pressure are called __________ solutions.

    3. A.
    dilute
    B.
    ideal
    C.
    isotonic
    D.
    saturated

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  3. One micron is equal to __________ cm.

    4. A.
    10-2
    B.
    10-4
    C.
    10-6
    D.
    10-8

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  4. A vapor that exists above its critical temperature is termed as a __________ vapor.

    5. A.
    saturated
    B.
    unsaturated
    C.
    gaseous
    D.
    sub-cooled

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  5. The crystallisation of a solute from a solution may be done by

    6. A.
    removal of pure solvent by evaporation.
    B.
    change of temperature thereby causing supersaturation.
    C.
    changing the nature of the system by the addition of a more soluble material.
    D.
    all (a), (b) &(c).

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  6. At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant ?

    7. A.
    273°C
    B.
    273°K
    C.
    100°C
    D.
    200°C

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  7. 1 kg/m2 is equal to __________ mm water column.

    8. A.
    1
    B.
    10
    C.
    100
    D.
    1000

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  8. An equation for calculating vapour pressure is given by, log10 P = A - B(t + c). This is called the

    9. A.
    Kistyakowsky equation
    B.
    Antonic equation
    C.
    Kopp's rule
    D.
    Trouton's rule

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  9. The value of the gas-law constant 'R' is 1.987

    10. A.
    kcal/kg-mole.°C
    B.
    Btu/lb-mole.°R
    C.
    kcal/kg-mole.°K
    D.
    both (b)& (c)

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  10. Osmotic pressure of the solution can be increased by

    11. A.
    decreasing its temperature.
    B.
    increasing the volume of the vessel containing the solution.
    C.
    diluting the solution.
    D.
    none of these.

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