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Chemical Engineering :: Chemical Process

  1. Alum is commercially produced from

  2. A.

     Gypsum

    B.

     Feldspar

    C.

     Galena

    D.

     Bauxite


  3. Which of the following is not an abrasive material ?

  4. A.

     Bakelite

    B.

     Pumice

    C.

     Corundum

    D.

     Carborundum


  5. Ethanol amine is produced using ammonia and

  6. A.

     Ethyl benzene

    B.

     Ethylene oxide

    C.

     Ethanol

    D.

     Ethane


  7. Hydrocynic acid (HCN) is used as an insecticide for

  8. A.

     Controlling timber degradation by ants

    B.

     Controlling poultry lice

    C.

     Potato beetle

    D.

     Citrus fruits


  9. Sodium bisulphite is used for __________ water.

  10. A.

     Deaeration

    B.

     Dechlorination

    C.

     Both A & B

    D.

     Neither A nor B


  11. Zeolite is used in the

  12. A.

     Water treatment

    B.

     Glass manufacture

    C.

     Hydrogenation of fatty oil as a catalyst

    D.

     Development of exposed photographic plate


  13. Chloral is used in the manufacture of

  14. A.

     DDT

    B.

     BHC

    C.

     Parathion

    D.

     None of these


  15. Mannheim furnace is used in the manufacture of

  16. A.

     Hydrochloric acid

    B.

     H₂SO₄ by Chamber process

    C.

     Calcium carbide

    D.

     Corundum


  17. Fourdrinier machine is used in the manufacture of

  18. A.

     Nylon-6

    B.

     Paper

    C.

     Antibiotics

    D.

     Sugar


  19. Yeast is used in the manufacture of

  20. A.

     Pencillin

    B.

     Antibiotics

    C.

     Wine

    D.

     Pasteurised milk