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Chemical Process - Section-15
  1. Poly tetraflouro ethylene (P.T.F.E.) is known as

    2. A.

     Bakelite
    B.

     Teflon
    C.

     Celluloid
    D.

     Decron

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  2. Zeolite is a/an

    3. A.

     Naturally occuring clay which is capable of exchanging cations
    B.

     Abrasive material
    C.

     Catalyst used in shift conversion
    D.

     None of these

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  3. Synthetic glycerine is produced from

    4. A.

     Toluene
    B.

     Phenol
    C.

     Propylene
    D.

     Naphthalene

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  4. Dehydrogenation of ethyl benzene produces

    5. A.

     Styrene
    B.

     Naphthalene
    C.

     Phenol
    D.

     Benzoic acid

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  5. Pick out the wrong statement pertaining to solvent extraction of oil.Rate of extraction

    6. A.

     Decreases with decrease of thickness of the flakes
    B.

     Increases with the increasing flake size keeping the flake thickness constant
    C.

     Increases Considerably with the rise of temperature
    D.

     Decreases as the moisture content of flakes increases

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  6. Catalyst used in the oxidation of benzene to produce maleic anhydride is

    7. A.

     V₂O₅
    B.

     Pt
    C.

     Ni
    D.

     Cr

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  7. The enzyme which converts starch into the disacharides maltose is

    8. A.

     Diastase
    B.

     Maltase
    C.

     Yeast
    D.

     None of these

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  8. Trinitro-toluene (TNT) is

    9. A.

     Used in glycerine manufacture
    B.

     An explosive
    C.

     Used in dye manufacture
    D.

     None of these

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  9. Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

    10. A.

     As a lubricant
    B.

     As a rust preventive
    C.

     In hard water for cleaning of cloth
    D.

     As a foam depressant in distillation column

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  10. Shrinkage volume in cement setting does not depend upon the

    11. A.

     Sand to cement ratio
    B.

     Water to cement ratio
    C.

     Ambient temperature fluctuation
    D.

     Drying period

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