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  • Question
  • All enzymes are made of


  • Options
  • A. fats
  • B. carbohydrates
  • C. proteins
  • D. amino acids

  • Correct Answer
  • proteins 


  • Chemical Process problems


    Search Results


    • 1. In the Lurgi coal gasifier

    • Options
    • A. coking coals cannot be used.
    • B. low carbon conversion efficiency is achieved.
    • C. entrainment of solids is higher.
    • D. large quantity of coal can be processed.
    • Discuss
    • 2. Neon gas is

    • Options
    • A. flammable in nature.
    • B. used in color discharge tube.
    • C. filled in lamps having tungsten filament.
    • D. all (a), (b) and (c).
    • Discuss
    • 3. __________ test is done to find out the softening point of bitumen.

    • Options
    • A. Impact
    • B. Ball and ring
    • C. Flame
    • D. Viscosity
    • Discuss
    • 4. __________ is not an important refinery process for upgrading the quality of lubricating oil.

    • Options
    • A. Deoiling
    • B. Solvent refinning
    • C. Clay treatment
    • D. Hydrotreatment
    • Discuss
    • 5. For gasoline, the flash point (<50°C) is determined by the

    • Options
    • A. Abel apparatus.
    • B. Pensky-Marten's apparatus.
    • C. Saybolt chromometer.
    • D. none of these.
    • Discuss
    • 6. Producer gas consists mainly of

    • Options
    • A. CO, CO2 N2, H2
    • B. CO, H2
    • C. H2, CH4
    • D. C2H2, CO2, H2
    • Discuss
    • 7. In sulphate pulp manufacture, the pressure and temperature in the digestor is

    • Options
    • A. 10 atm., 800 °C
    • B. 10 atm., 170-180°C
    • C. 1 atm., 170 - 180°C
    • D. l atm., 800°C
    • Discuss
    • 8. Sulphur addition in soap is done to

    • Options
    • A. improve the soap texture.
    • B. cure pimples & dandruff.
    • C. fasten lather formation.
    • D. increase its cleansing action.
    • Discuss
    • 9. Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.

    • Options
    • A. 10
    • B. 25
    • C. 50
    • D. 98
    • Discuss
    • 10. Hard water

    • Options
    • A. does not affect the lather formation by soap.
    • B. is not unfit for drinking purpose.
    • C. pollutes the water stream.
    • D. all (a), (b) and (c).
    • Discuss


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