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  • Question
  • Pick out the wrong unit conversion.


  • Options
  • A. l kgf= 9.8 Newton.
  • B. 1 stoke = 1 m2/second.
  • C. 1 Pascal second = 10 poise.
  • D. 1 ppm = 1 ml/m3 = 1 mg/kg.

  • Correct Answer
  • 1 stoke = 1 m2/second. 


  • Stoichiometry problems


    Search Results


    • 1. A sugar solution containing __________ percent sugar is equivalent to 1 Brix.

    • Options
    • A. 0.01
    • B. 0.1
    • C. 1
    • D. 10
    • Discuss
    • 2. Volume occupied by one gm mole of a gas at S.T.P. is

    • Options
    • A. 22.4 litres
    • B. 22400 litres
    • C. 22.4 c.c
    • D. 359 litres
    • Discuss
    • 3. A fluid gas produced on burning furnace oil contains 0.15 gm mole of CO2, 0.05 gm mole of oxygen and 0.80 gm mole of N2. What is its molecular weight?

    • Options
    • A. 28.6
    • B. 30.0
    • C. 30.6
    • D. 32.6
    • Discuss
    • 4. The accumulation in a steady state combustion process, burning 1 kg mole of carbon with 1 kg mole of oxygen thereby producing 1 kg mole of carbon dioxide, is __________ kg mole.

    • Options
    • A. 1
    • B. 0
    • C. 16
    • D. 44
    • Discuss
    • 5. The depression in freezing point of a solution is

    • Options
    • A. inversely proportional to the mass of solvent.
    • B. directly proportional to the mole of solute.
    • C. both (a) and (b).
    • D. neither (a) nor (b).
    • Discuss
    • 6. A solution of specific gravity 1 consists of 35% A by weight and the remaining B. If the specific gravity of A is 0.7, the specific gravity of Bis

    • Options
    • A. 1.25
    • B. 1.3
    • C. 1.35
    • D. 1.2
    • Discuss
    • 7. Normality of a solution does not change with the increase in the

    • Options
    • A. pressure
    • B. temperature
    • C. solute concentration
    • D. dilution of the solution
    • Discuss
    • 8. Pick out the correct statement.

    • Options
    • A. Heat of solution is always positive.
    • B. At equilibrium, ?G is zero.
    • C. For the reaction, PCl5⇌PCl3 + Cl2, ?G is less than ?E
    • D. The heating of water in a beaker is an example of an isolated system.
    • Discuss
    • 9. No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules

    • Options
    • A. collide without loss of energy.
    • B. do work equal to loss in kinetic energy.
    • C. are above the inversion temperature.
    • D. exert no attractive force on each other.
    • Discuss
    • 10. The heat of solution depends upon the

    • Options
    • A. nature of solvent
    • B. concentration of solution
    • C. nature of solute
    • D. all (a), (b) & (c)
    • Discuss


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