Menu
Home / Chemical Engineering / Chemical Process :: Section-15

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. Metallic soap is __________ salt of fatty acids.

    2. A.

     Sodium
    B.

     Potassium
    C.

     Both sodium & potassium
    D.

     Aluminium or calcium

    View Answer

    Workspace

    Discuss Discuss in Forum

  2. __________ is a polysacchride.

    3. A.

     Maltose
    B.

     Starch
    C.

     Sucrose
    D.

     Glucose

    View Answer

    Workspace

    Discuss Discuss in Forum

  3. __________ is an ore of lead.

    4. A.

     Quartz
    B.

     Galena
    C.

     Siderite
    D.

     Chalcopyrite

    View Answer

    Workspace

    Discuss Discuss in Forum

  4. 20% oleum means that in 100 kg oleum, there are 20 kg of

    5. A.

     SO₃ and 80kg of H₂SO₄
    B.

     H₂SO₄ and 80kg of SO₃
    C.

     SO₃ for each 100 kg of H₂SO₄
    D.

     None of these

    View Answer

    Workspace

    Discuss Discuss in Forum

  5. 10% oleum comprises of 10% free

    6. A.

     SO₂
    B.

     H₂SO₃
    C.

     SO₃
    D.

     H₂SO₄

    View Answer

    Workspace

    Discuss Discuss in Forum

  6. The catalyst used in the production of elemental sulphur from H₂S (by oxidation-reduction) is

    7. A.

     Alumina
    B.

     Silica gel
    C.

     Platinum
    D.

     Nickel

    View Answer

    Workspace

    Discuss Discuss in Forum

  7. In contact process, SO₃ is absorbed in 97% H₂SO₄ and not in water, because

    8. A.

     SO₃ gas is sparingly soluble in water
    B.

     Water forms an acid mist, which is difficult to absorb
    C.

     The purity of acid is affected
    D.

     Scale formation in the absorber is to be avoided

    View Answer

    Workspace

    Discuss Discuss in Forum

  8. 99.5% purity oxygen is used in

    9. A.

     Cutting and welding by oxy-acetylene flame
    B.

     Hospitals for medicinal purposes
    C.

     Gas masks and artificial breathing apparatus
    D.

     All of the above

    View Answer

    Workspace

    Discuss Discuss in Forum

  9. Baking soda is chemically represented by

    10. A.

     Na₂CO₃
    B.

     NaHCO₃
    C.

     Na₂CO₃.H₂O
    D.

     Na₂CO₃.10H₂O

    View Answer

    Workspace

    Discuss Discuss in Forum

  10. Washing soda is chemically represented by

    11. A.

     Na₂CO₃
    B.

     Na₂CO₃.H₂O
    C.

     Na₂CO₃.10H₂O
    D.

     NaHCO₃

    View Answer

    Workspace

    Discuss Discuss in Forum

Java Programming Questions and Answers Interview Questions and Answers