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  • Question

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


  • Options
  • A. 1
  • B. 10
  • C. 100
  • D. 1000

  • Correct Answer
  • 1 

    • Stoichiometry problems

    Search Results

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

    • Options
    • A. molarity
    • B. normality
    • C. molality
    • D. none of these
      • Discuss
    • 2. Osmotic pressure of the solution can be increased by

    • Options
    • A. decreasing its temperature.
    • B. increasing the volume of the vessel containing the solution.
    • C. diluting the solution.
    • D. none of these.
      • Discuss
    • 3. The reaction A + B ? C has been conducted in a reactor as shown below.

      The number of boundaries around which material balance can be written, are

    • Options
    • A. 1
    • B. 6
    • C. 3
    • D. 4
      • Discuss
    • 4. The average translational kinetic energy with which a gas molecule is endowed is dependent on its

    • Options
    • A. nature
    • B. size
    • C. absolute temperature
    • D. all (a), (b) & (c)
      • Discuss
    • 5. 1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is

    • Options
    • A. C4H9OH
    • B. C3H21OH
    • C. (C2H4)2H2.OH
    • D. C2H33OH
      • Discuss
    • 6. One micron is equal to __________ cm.

    • Options
    • A. 10-2
    • B. 10-4
    • C. 10-6
    • D. 10-8
      • Discuss
    • 7. A vapor that exists above its critical temperature is termed as a __________ vapor.

    • Options
    • A. saturated
    • B. unsaturated
    • C. gaseous
    • D. sub-cooled
      • Discuss
    • 8. The value of the gas-law constant 'R' is 1.987

    • Options
    • A. kcal/kg-mole.°C
    • B. Btu/lb-mole.°R
    • C. kcal/kg-mole.°K
    • D. both (b)& (c)
      • Discuss
    • 9. Recycling in a chemical process facilitates

    • Options
    • A. increased yield
    • B. enrichment of product
    • C. heat conservation
    • D. all (a), (b) &(c)
      • Discuss
    • 10. The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state.

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

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