Home / Chemical Engineering / Chemical Process :: Section 10

Chemical Engineering :: Chemical Process

  1. A unit operation is exemplified by the process of

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

    View Answer

    Workspace

    Discuss Discuss in Forum


  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

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. Margarine is a/an

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

    View Answer

    Workspace

    Discuss Discuss in Forum


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

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

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. Glycerine can be obtained from

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

    View Answer

    Workspace

    Discuss Discuss in Forum


  11. Blue vitriol is chemically

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

    View Answer

    Workspace

    Discuss Discuss in Forum


  13. Trinitro-toluene (TNT) is

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

    View Answer

    Workspace

    Discuss Discuss in Forum


  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.

    View Answer

    Workspace

    Discuss Discuss in Forum


  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.

    View Answer

    Workspace

    Discuss Discuss in Forum


  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

    View Answer

    Workspace

    Discuss Discuss in Forum