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Chemical Engineering :: Chemical Process

  1. Antibiotic

  2. A.

     Inhibits/destroys the growth of microorganisms

    B.

     Is used as a pain reliever

    C.

     Is an antimalarial

    D.

     Is an anaesthetic


  3. __________ paper is used in the manufacture of newsprint paper.

  4. A.

     Groundwood

    B.

     Board

    C.

     Tissue

    D.

     Wrapping


  5. Digestion of wood-base materials (for manufacture of pulp) is done to

  6. A.

     Remove lignin

    B.

     Produce long fibres

    C.

     Prevent deterioration on storage

    D.

     None of these


  7. Raw materials for 'Solvay Process' for manufacture of the soda ash are

  8. A.

     Salt, limestone and coke or gas

    B.

     Ammonia, salt and limestone

    C.

     Ammonia limestone and coke

    D.

     None of these


  9. Penicillin is separated from fermented broth by

  10. A.

     Extraction with amyl or butyl acetate

    B.

     Ternery azeotropic distillation

    C.

     Evaporation in calendria

    D.

     Extractive distillation


  11. Nitroglycerene absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as a controlled explosive called dynamite. The raw material used for its manufacture are glycerene, nitric acid and

  12. A.

     Sulphuric acid

    B.

     Phosphoric acid

    C.

     Hydrochloric acid

    D.

     Hydroflouric acid


  13. Calcareous & argillaceous materials are used in the manufacture of

  14. A.

     Lead

    B.

     Cement

    C.

     Carbon disulphide

    D.

     None of these


  15. Chemical name of aspirin (an analgesic drug) is

  16. A.

     Acetylsalicylic acid

    B.

     Nictonic acid

    C.

     Calcium acetate

    D.

     Methyl salicylate


  17. Fermentator temperature during production of alcohol from molasses is around __________ °C.

  18. A.

     5

    B.

     30

    C.

     150

    D.

     300


  19. Vinyl chloride (CH₂ = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of

  20. A.

     4 kgf/cm² & 500°C

    B.

     10 kgf/cm² & 1000°C

    C.

     40 kg/cm² & 200°C

    D.

     100 kgi/cm² & 500°C