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Chemical Process - Section-15
  1. Enzymes are organic catalysts used in the __________ reactions.

    2. A.

     Chemical
    B.

     Biochemical
    C.

     Photochemical
    D.

     Electrochemical

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  2. The catalyst used in the manufacture of DDT is

    3. A.

     Alumina
    B.

     Silica
    C.

     20% oleum
    D.

     Aluminium chloride

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  3. Sulphuric acid saturated with SO₃ is called

    4. A.

     Concentrated H₂SO₄
    B.

     Sulphurous acid
    C.

     Oleum
    D.

     None of these

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  4. Diaphragm electrolytic cell as compared to mercury electrolytic cell

    5. A.

     Produces 70% NaOH solution
    B.

     Requires less specific power consumption for the production of chlorine
    C.

     Requires lesser investment for similar capacity
    D.

     All of the above

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  5. Nylon-6 as compared to Nylon-66 is having higher

    6. A.

     Hardness
    B.

     Abrasion/resistance
    C.

     Melting point
    D.

     None of these

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  6. Dacron is a

    7. A.

     Condensation product of hexam-ethylene diamine and adipic acid
    B.

     Thermosetting material
    C.

     Condensation product of dimethyl terephthalate and ethylene glycol
    D.

     None of these

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  7. Dacron is a/an

    8. A.

     Polyester
    B.

     Unsaturated polyster
    C.

     Polyamide
    D.

     Inorganic polymer

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  8. Catalytic oxidation of naphthalene produces

    9. A.

     Styrene
    B.

     Phenol
    C.

     Phthalic anhydride
    D.

     None of these

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  9. DDT stands for

    10. A.

     Diethyl-diphenyl-trichloromethane
    B.

     Dichloro-diphenyl-trichloromethane
    C.

     Diphenyl-dichloro-trichloromethane
    D.

     Dichloro-diphenyl-trichloroethane

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  10. Economics of 'Solvay Process' depends upon the efficiency of

    11. A.

     Carbonating tower
    B.

     Ammonia recovery
    C.

     Ammonia recovery and size of the plant
    D.

     Ammoniation of salt solution

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