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

Chemical Engineering :: Chemical Process

  1. Enzymes are organic catalysts used in the __________ reactions.

  2. A.

     Chemical

    B.

     Biochemical

    C.

     Photochemical

    D.

     Electrochemical


  3. The catalyst used in the manufacture of DDT is

  4. A.

     Alumina

    B.

     Silica

    C.

     20% oleum

    D.

     Aluminium chloride


  5. Sulphuric acid saturated with SO₃ is called

  6. A.

     Concentrated H₂SO₄

    B.

     Sulphurous acid

    C.

     Oleum

    D.

     None of these


  7. Diaphragm electrolytic cell as compared to mercury electrolytic cell

  8. 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


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

  10. A.

     Hardness

    B.

     Abrasion/resistance

    C.

     Melting point

    D.

     None of these


  11. Dacron is a

  12. 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


  13. Dacron is a/an

  14. A.

     Polyester

    B.

     Unsaturated polyster

    C.

     Polyamide

    D.

     Inorganic polymer


  15. Catalytic oxidation of naphthalene produces

  16. A.

     Styrene

    B.

     Phenol

    C.

     Phthalic anhydride

    D.

     None of these


  17. DDT stands for

  18. A.

     Diethyl-diphenyl-trichloromethane

    B.

     Dichloro-diphenyl-trichloromethane

    C.

     Diphenyl-dichloro-trichloromethane

    D.

     Dichloro-diphenyl-trichloroethane


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

  20. A.

     Carbonating tower

    B.

     Ammonia recovery

    C.

     Ammonia recovery and size of the plant

    D.

     Ammoniation of salt solution