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Chemical Engineering :: Chemical Process

  1. Yellow glycerine is made into white, using

  2. A.
    activated carbon
    B.
    diatomaceous earth
    C.
    bauxite
    D.
    bentonite

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  3. Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

  4. A.
    -5 to 0
    B.
    5 to 10
    C.
    30 to 50
    D.
    75 to 80

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  5. Brackish water which contains mostly dissolved salt, can be purified by the __________ process.

  6. A.
    reverse osmosis
    B.
    sand filter
    C.
    lime soda
    D.
    permutit

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  7. Major component of flint glass is

  8. A.
    lead oxide
    B.
    silica
    C.
    alumina
    D.
    soda

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  9. Gypsum is chemically

  10. A.
    calcium chloride
    B.
    potassium sulphate
    C.
    sodium sulphate
    D.
    calcium sulphate

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  11. Calcination of gypsum produces

  12. A.
    plaster of paris
    B.
    salt cake
    C.
    nitre cake
    D.
    lime

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  13. Phthalic anhydride is produced by the oxidation of

  14. A.
    naphthalene
    B.
    benzene
    C.
    toluene
    D.
    aniline

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  15. Superior quality laboratory apparatus is made of the __________ glass having low thermal co-efficient of expansion & high chemical resistance.

  16. A.
    flint
    B.
    soda
    C.
    pyrex
    D.
    potash

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  17. Zeigler process

  18. A.
    produces high density polyethylene.
    B.
    produces low density polyethylene.
    C.
    uses no catalyst.
    D.
    employs very high pressure.

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  19. Massecuite is

  20. A.
    used for paper making.
    B.
    used as a cattle feed.
    C.
    highly acidic in nature.
    D.
    none of these.

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