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Chemical Process - Section-15
  1. Which of the following is not an antibiotic?

    2. A.

     Penicillin
    B.

     Streptomycin
    C.

     Tetracyclin
    D.

     Quinine

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  2. Which of the following is not an insecticide?

    3. A.

     Hydrocyanic acid
    B.

     Nicotine
    C.

     Sodium flouride
    D.

     Hexane

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  3. Nylon 66 is so named because the

    4. A.

     Average degree of polymerisation of the polymer is 1966
    B.

     Number of carbon atoms between two nitrogen atoms are 6
    C.

     Number of nitrogen atoms between two carbon atoms are 6
    D.

     Polymer was first synthesised in 1966

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  4. Low purity oxygen is used for

    5. A.

     L.D. steel making
    B.

     Cutting and welding of metals
    C.

     Medicinal purposes
    D.

     Chemical oxidation processes

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  5. Which of the following is not a food additive?

    6. A.

     Citric acid
    B.

     Invertage
    C.

     Benzoyl peroxide
    D.

     Ammonium chloride

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  6. Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?

    7. A.

     Oxidation of Na+ ions
    B.

     Oxidation of Cl- ions
    C.

     Reduction of Na+ ions
    D.

     Reduction of Cl- ions

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  7. Which of the following sugars is the sweetest?

    8. A.

     Glucose
    B.

     Fructose
    C.

     Sucrose
    D.

     Lactose

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  8. Concentration of sulphide ores is done usually by

    9. A.

     Roasting
    B.

     Smelting
    C.

     Froth floatation
    D.

     Electro magnetic separation

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  9. Finely ground calcium aluminate & silicate is a/an

    10. A.

     Cermet
    B.

     Cement
    C.

     Abrasive
    D.

     Explosive

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  10. Tall oil obtained as a by-product from the black liquor recovery is

    11. A.

     A black, sticky & viscous liquid
    B.

     Used in the manufacture of greases, emulsions & soaps
    C.

     Composed mainly of rosin & fatty acids
    D.

     All of the above

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