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Chemical Engineering :: Chemical Process

  1. Nitric acid is not used in the manufacture of

  2. A.

     Detergents

    B.

     Fertilisers

    C.

     Aqua regia

    D.

     Explosives


  3. The basic constituent of vegetable oils is

  4. A.

     Triglyceride

    B.

     Fatty acids

    C.

     Fatty alcohol

    D.

     Mono esters


  5. Cellulose percentage in bamboo fibre is about

  6. A.

     10

    B.

     20

    C.

     50

    D.

     85


  7. In premitive days, __________ was being manufactured by Leblanc Process.

  8. A.

     Alum

    B.

     Washing soda

    C.

     Soda ash

    D.

     Calcium carbide


  9. Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.

  10. A.

     Emulsification

    B.

     Dispersion

    C.

     Precipitation

    D.

     Wetting


  11. Nylon 6-6 is manufactured from

  12. A.

     Hexamethylene diamine and adipic acid

    B.

     Hexamethylene diamine and maleic anhydride

    C.

     Caprolactum

    D.

     Dimethyl terephthalate and ethylene glycol


  13. CO & H₂ are the constituents of

  14. A.

     Producer gas

    B.

     Water gas

    C.

     Coke oven gas

    D.

     All of the above


  15. Polymerisation product of C₂F4 (carbon tetraflouride) is called P.T.F.E (poly chloro tetra flouro ethylene). It is also called

  16. A.

     Polyurethane

    B.

     Silicone

    C.

     Teflon

    D.

     Epoxy resin


  17. Hydrochloric acid is also known as

  18. A.

     Oil of vitriol

    B.

     Muriatic acid

    C.

     Strong organic acid

    D.

     Green acid


  19. Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine?

  20. A.

     Na₂CO₃

    B.

     NaHCO₃

    C.

     H₂

    D.

     None of these