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Chemical Engineering :: Chemical Process

  1. A unit operation is exemplified by the process of

  2. A.
    reduction
    B.
    desorption
    C.
    nitration
    D.
    combustion

  3. The major constituents of glass are

  4. A.
    lime, clay and soda ash
    B.
    sand, lime and soda ash
    C.
    silica, alumina and clay
    D.
    silica, alumina and soda ash

  5. Margarine is a/an

  6. A.
    fat
    B.
    explosive
    C.
    plasticiser
    D.
    rocket propellant

  7. Oils and fats are converted to soap in a process called

  8. A.
    hydrogenation
    B.
    esterification
    C.
    saponification
    D.
    none of these

  9. Glycerine can be obtained from

  10. A.
    fat
    B.
    naphthalene
    C.
    cumene
    D.
    sucrose

  11. Blue vitriol is chemically

  12. A.
    copper sulphate
    B.
    ferrous sulphate
    C.
    copper nitrate
    D.
    aluminium sulphate

  13. Trinitro-toluene (TNT) is

  14. A.
    used in glycerine manufacture.
    B.
    an explosive.
    C.
    used in dye manufacture.
    D.
    none of these.

  15. Thorium is mainly used

  16. A.
    for the manufacture of gas mantles.
    B.
    as a fissile fuel in a nuclear reactor.
    C.
    in the manufacture of hydrogen bomb.
    D.
    in the treatment of cancer.

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

  18. A.
    increase the rate of absorption.
    B.
    avoid corrosion.
    C.
    reduce the cooling water circulation rate.
    D.
    none of these.

  19. Good quality of edible salt is obtained from brine by the process of

  20. A.
    solar evaporation
    B.
    vacuum evaporation
    C.
    freeze drying
    D.
    electrolysis