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Chemical Engineering :: Chemical Process

  1. Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.

  2. A.

     Adsorbs

    B.

     Oxidises

    C.

     Reduces

    D.

     Converts


  3. Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

  4. A.

     1

    B.

     2.5

    C.

     5

    D.

     10


  5. Consider the production of ammonia from methene and air as raw materials. The catalyst used are:
    (i) __________ for steam reforming of methane and
    (ii) __________ for ammonia synthesis.

  6. A.

     (i) - Ni/Al2O₃; (ii) - Cu - ZnO/Al2O₃

    B.

     (i) - Fe/Al2O₃; (ii) - Cu - ZnO/Al2O₃

    C.

     (i) - Ni/Al2O₃; (ii) - Fe/Al2O₃

    D.

     (i) - Fe/Al2O₃; (ii) - Ni/Al2O₃


  7. Pencillin is made employing __________ fermentation process.

  8. A.

     Continuous

    B.

     Aerobic batch

    C.

     Anaerobic batch

    D.

     None of these


  9. For the hydrogenation of oils (i) __________ is commonly used as catalyst and (ii) __________ is a catalyst poison.

  10. A.

     (i) platinum (ii) sulphur

    B.

     (i) palladium (ii) oxygen

    C.

     (i) nickel (ii) sulphur

    D.

     (i) nickel (ii) oxygen


  11. More than 100 percent of __________ is present in oleum.

  12. A.

     SO₃

    B.

     H₂SO₄

    C.

     H₂SO₃

    D.

     SO₂


  13. Fire clay is __________ refractory material.

  14. A.

     A basic

    B.

     An acidic

    C.

     A neutral

    D.

     Not a


  15. Pick out the wrong statement.

  16. A.

     Catalytic hydrogenation of carbon monoxide produces methyl alcohol

    B.

     In nylon-6, the number 6 represents the total number of carbon atoms in the ring

    C.

     Raw materials for DDT manufacture are benzene and chlorine

    D.

     Ethanolamines are produced by using ammonia and ethylene oxide as raw material


  17. Metallic soap is __________ salt of fatty acids.

  18. A.

     Sodium

    B.

     Potassium

    C.

     Both sodium & potassium

    D.

     Aluminium or calcium


  19. __________ is a polysacchride.

  20. A.

     Maltose

    B.

     Starch

    C.

     Sucrose

    D.

     Glucose