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Chemical Process - Section 11
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Chemical Process - Section 14
Chemical Process - Section-15
  1. Sulphuric acid saturated with SO₃ is called

    2. A.

     Concentrated H₂SO₄
    B.

     Sulphurous acid
    C.

     Oleum
    D.

     None of these

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  2. Diaphragm electrolytic cell as compared to mercury electrolytic cell

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

    4. A.

     Hardness
    B.

     Abrasion/resistance
    C.

     Melting point
    D.

     None of these

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  4. Dacron is a

    5. 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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  5. Dacron is a/an

    6. A.

     Polyester
    B.

     Unsaturated polyster
    C.

     Polyamide
    D.

     Inorganic polymer

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  6. Catalytic oxidation of naphthalene produces

    7. A.

     Styrene
    B.

     Phenol
    C.

     Phthalic anhydride
    D.

     None of these

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  7. DDT stands for

    8. A.

     Diethyl-diphenyl-trichloromethane
    B.

     Dichloro-diphenyl-trichloromethane
    C.

     Diphenyl-dichloro-trichloromethane
    D.

     Dichloro-diphenyl-trichloroethane

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

    9. A.

     Carbonating tower
    B.

     Ammonia recovery
    C.

     Ammonia recovery and size of the plant
    D.

     Ammoniation of salt solution

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  9. Pick out the wrong statement. Iodine value of an oil or fat is

    10. A.

     The number of grams of iodine taken up by 100 gm of oil or fat
    B.

     A measure of its unsaturation
    C.

     Helpful in findings its adulteration & its suitability for making soap
    D.

     Independent of the type of oil, whether it is drying or non-drying

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  10. Presence of sodium tripolyphosphate (an additive) in synthetic detergent

    11. A.

     Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions)
    B.

     Inhibits its corrosive effects
    C.

     Does not allow redeposition of dirt on the cleaned surface
    D.

     None of these

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