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Chemical Engineering :: Chemical Process

  1. Bordeaux mixture is a/an

  2. A.

     Fertiliser

    B.

     Inorganic fungicide

    C.

     Insecticide

    D.

     Explosive


  3. The noble gas which occurs most abundantly in the atmosphere is

  4. A.

     Helium

    B.

     Neon

    C.

     Krypton

    D.

     Argon


  5. BHC (Benzene hexachloride) is made by the chlorination of benzene

  6. A.

     Which is an addition reaction

    B.

     Which is a substitution reaction

    C.

     In absolute dark

    D.

     In presence of sunlight


  7. Multistage catalytic converter is not used in the

  8. A.

     Conversion of SO₂ to SO₃

    B.

     NH₃ synthesis reaction

    C.

     Both A & B

    D.

     Neither A nor B


  9. Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in

  10. A.

     Pyrolysis of oil

    B.

     Sintering of porous catalyst

    C.

     Hydrogen embrittlement

    D.

     All of the above


  11. Sand and __________ is fused at 1300°C, to produce sodium silicate.

  12. A.

     Limestone

    B.

     Soda ash

    C.

     Coke

    D.

     Sodium sulphate


  13. Ca(OH)₂ is called

  14. A.

     Quicklime

    B.

     Slaked lime

    C.

     Limestone

    D.

     Gypsum


  15. Calcination of gypsum produces

  16. A.

     Plaster of paris

    B.

     Salt cake

    C.

     Nitre cake

    D.

     Lime


  17. CaO is called

  18. A.

     Quick lime

    B.

     Slaked lime

    C.

     Limestone

    D.

     Calcite


  19. High temperature carbonisation of coal produces

  20. A.

     Inferior coke compared to low temperature carbonisation

    B.

     Less of gases compared to liquid products

    C.

     Larger quantity of tar compared to low temperature carbonisation

    D.

     None of these