Menu
Home / Chemical Engineering / Chemical Process :: Section 11

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

    2. A.
    hardness
    B.
    abrasion/resistance
    C.
    melting point
    D.
    none of these

    View Answer

    Workspace

    Discuss Discuss in Forum

  2. Digestion of wood-base materials (for manufacture of pulp) is done to

    3. A.
    remove lignin.
    B.
    produce long fibres.
    C.
    prevent deterioration on storage.
    D.
    none of these.

    View Answer

    Workspace

    Discuss Discuss in Forum

  3. Soap cannot be used with hard water, because

    4. A.
    hard water contains sulphate.
    B.
    they form insoluble calcium soaps which precipitate.
    C.
    they attract back the removed dirt.
    D.
    none of these.

    View Answer

    Workspace

    Discuss Discuss in Forum

  4. Which of the following is not an antibiotic ?

    5. A.
    Penicillin
    B.
    Streptomycin
    C.
    Tetracyclin
    D.
    Quinine

    View Answer

    Workspace

    Discuss Discuss in Forum

  5. The most reactive allotropic form of phosphorus is __________ phosphorus.

    6. A.
    red
    B.
    yellow
    C.
    violet
    D.
    black

    View Answer

    Workspace

    Discuss Discuss in Forum

  6. Plasticisers are added to synthetic plastics to

    7. A.
    impart flexibility.
    B.
    improve workability during fabrication.
    C.
    develop new improved properties not present in the original resins.
    D.
    all (a), (b) and (c).

    View Answer

    Workspace

    Discuss Discuss in Forum

  7. Rosin soap is added during paper manufacture to

    8. A.
    impart adhesive properties.
    B.
    improve opacity.
    C.
    impart resistance to penetration by liquids.
    D.
    none of these.

    View Answer

    Workspace

    Discuss Discuss in Forum

  8. Hydrogen gas is not produced commercially (for nitrogeneous fertiliser manufacture) by

    9. A.
    iron-steam reaction.
    B.
    electrolysis of water.
    C.
    steam reforming of naphtha.
    D.
    its cryogenic separation from coke oven gas.

    View Answer

    Workspace

    Discuss Discuss in Forum

  9. Carboxymethyl cellulose (CMC) is added in detergents to

    10. A.
    prevent redeposition of soil on cleaned surface.
    B.
    act as optical brightening agent.
    C.
    inhibit corrosion in washing machines made of aluminium,
    D.
    none of these.

    View Answer

    Workspace

    Discuss Discuss in Forum

  10. Synthesis gas is a mixture of

    11. A.
    CO and H2
    B.
    N2 and H2
    C.
    H2, CH4 and CO
    D.
    CO2 and H2

    View Answer

    Workspace

    Discuss Discuss in Forum

Java Programming Questions and Answers Interview Questions and Answers