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Chemical Engineering :: Stoichiometry

  1. Weight of 56 litres of ammonia at N.T.P. is __________ gm.

  2. A.
    2.5
    B.
    42.5
    C.
    56
    D.
    2800

  3. Concentration of a solution expressed in terms of __________ is independent of temperature.

  4. A.
    molarity
    B.
    normality
    C.
    molality
    D.
    none of these

  5. The average translational kinetic energy with which a gas molecule is endowed is dependent on its

  6. A.
    nature
    B.
    size
    C.
    absolute temperature
    D.
    all (a), (b) & (c)

  7. The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state.

  8. A.
    less
    B.
    more
    C.
    same
    D.
    either (a) or (b); depends on the nature of the substance

  9. Heat of __________ of a fuel is called its calorific value.

  10. A.
    formation
    B.
    combustion
    C.
    reaction
    D.
    vaporisation

  11. Recycling in a chemical process facilitates

  12. A.
    increased yield
    B.
    enrichment of product
    C.
    heat conservation
    D.
    all (a), (b) &(c)

  13. Kinetic theory of gases stipulates that, the

  14. 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.

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

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

  17. One micron is equal to __________ cm.

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

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

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