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Chemical Engineering :: Chemical Process

Chemical Process - Section 1
Chemical Process - Section 2
Chemical Process - Section 3
Chemical Process - Section 4
Chemical Process - Section 5
Chemical Process - Section 6
Chemical Process - Section 7
Chemical Process - Section 8
Chemical Process - Section 9
Chemical Process - Section 10
Chemical Process - Section 11
Chemical Process - Section 12
Chemical Process - Section 13
Chemical Process - Section 14
Chemical Process - Section-15

  1. Which of the following is not an insecticide?

    2. A.
    Hydrocyanic acid
    B.
    Nicotine
    C.
    Sodium flouride
    D.
    Hexane

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  2. Shrinkage volume in cement setting does not depend upon the

    3. A.
    sand to cement ratio.
    B.
    water to cement ratio.
    C.
    ambient temperature fluctuation.
    D.
    drying period.

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  3. Bisphenol A is produced by the condensation of acetone with

    4. A.
    formaldehyde
    B.
    ethyl alcohol
    C.
    diethyl ether
    D.
    phenol

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  4. In Kraft process of paper manufacture, white cooking liquor consists of caustic soda

    5. A.
    sodium sulphide & sodium carbonate.
    B.
    sodium sulphite & sodium carbonate.
    C.
    sodium sulphite & sodium sulphide.
    D.
    none of these.

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  5. Presence of carbonaceous matter in the sewage

    6. A.
    causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures.
    B.
    reduces sulphate ions to sulphides causing obnoxious smell.
    C.
    increases the quantity of chlorine used for its purification.
    D.
    all (a), (b) and (c).

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  6. A mineral is termed as 'ore', if

    7. A.
    a metal can be economically extracted from it.
    B.
    it contains ≥ 40% metal.
    C.
    the metal present in it is costly.
    D.
    all (a), (b) and (c).

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  7. In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst

    8. A.
    gives higher conversion efficiency.
    B.
    has a longer life and is not poisoned by arsenic.
    C.
    handles lower SO2 content gas (7 -10% SO2), thus increasing the capital cost of the plant.
    D.
    all (a), (b) and (c).

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  8. At a given temperature, the equilibrium yield of SO3 obtained from the oxidation of SO2 is proportional to (where, P = pressure of the system )

    9. A.
    P
    B.
    P
    C.
    P2
    D.
    1/P

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  9. Oleum produces fumes of

    10. A.
    SO2
    B.
    H2SO4
    C.
    SO3
    D.
    SO2 + H2SO4

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  10. 20% oleum means that in 100 kg oleum, there are 20 kg of

    11. A.
    SO3 and 80kg of H2SO4.
    B.
    H2SO4 and 80kg of SO3.
    C.
    SO3 for each 100 kg of H2SO4.
    D.
    none of these.

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