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Chemical Engineering :: Chemical Process

  1. Haemoglobin is a/an

  2. A.

     Amino acid

    B.

     Biological catalyst

    C.

     Protein

    D.

     Enezyme

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  3. Chalcopyrite is the main ore of

  4. A.

     Copper

    B.

     Lead

    C.

     Tin

    D.

     Iron

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  5. Phthalic anhydride is made by the

  6. A.

     Oxidation of naphthalene

    B.

     Oxidation of benzene

    C.

     Dehydrogenation of ethyl benzene

    D.

     None of these

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  7. Iron ore hametite is concentrated using

  8. A.

     Electro magnetic separation mainly

    B.

     Gravity separation

    C.

     Froth floatation

    D.

     Roasting

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  9. Hard water

  10. A.

     Does not affect the lather formation by soap

    B.

     Is not unfit for drinking purpose

    C.

     Pollutes the water stream

    D.

     All of the above

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  11. Chemical formula of BHC, which is an insecticide is

  12. A.

     C₆H₆Cl₆

    B.

     C₆Cl₆

    C.

     C₆H₅Cl

    D.

     C₆H₄Cl₂

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  13. At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.

  14. A.

     Independent of

    B.

     Directly proportional to

    C.

     Inversely proportional to

    D.

     Proportional to the square of

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  15. Which of the following is an explosive?

  16. A.

     Nitroglycerene

    B.

     Trintrotoluene (TNT)

    C.

     Cellulose nitrate

    D.

     All of the above

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  17. Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda?

  18. A.

     High cost of mercury

    B.

     High specific gravity of mercury

    C.

     Non-availability of high purity mercury

    D.

     Pollution of water stream by mercury

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  19. Thermosetting plastic materials

  20. A.

     Can be repeatedly melted

    B.

     Is useful for melt casting

    C.

     Can not be melted after forming

    D.

     Is useful for spinning

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