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Chemical Engineering :: Chemical Process

  1. Salt is added in the kettle during soap manufacture to separate

  2. A.

     Soap from lye

    B.

     Glycerine from lye

    C.

     The metallic soap

    D.

     The unsaponified fat from soap


  3. High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to

  4. A.

     Flocculate the impurities

    B.

     Facilitate fast filtration

    C.

     Both A and B

    D.

     Neither A nor B


  5. During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to

  6. A.

     Increase the rate of absorption

    B.

     Avoid corrosion

    C.

     Reduce the cooling water circulation rate

    D.

     None of these


  7. Glass is

  8. A.

     Mainly CaO

    B.

     Subjected to galvanising

    C.

     A super cooled liquid

    D.

     All of the above


  9. Glauber's salt is chemically

  10. A.

     Calcium sulphate

    B.

     Potassium sulphate

    C.

     Potassium chlorate

    D.

     None of these


  11. Glycerine can be obtained from

  12. A.

     Fat

    B.

     Naphthalene

    C.

     Cumene

    D.

     Sucrose


  13. Glycerine is not used in the

  14. A.

     Manufacture of explosive

    B.

     Conditioning and humidification of tobacco

    C.

     Manufacture of pharmaceuticals

    D.

     None of these


  15. Graphite is a/an

  16. A.

     Electrical insulator

    B.

     Allotrope of carbon

    C.

     Moderator used in nuclear reactor

    D.

     Both B and C


  17. Gun powder uses

  18. A.

     Sulphur

    B.

     Charcoal

    C.

     Potassium nitrate

    D.

     All of the above


  19. Gypsum is chemically

  20. A.

     Calcium chloride

    B.

     Potassium sulphate

    C.

     Sodium sulphate

    D.

     Calcium sulphate