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

Chemical Engineering :: Chemical Process

  1. Sizing material is incorporated in paper to

  2. A.

     Impart resistance to penetration by liquids

    B.

     Increase its thickness

    C.

     Increase its flexibility & opacity

    D.

     Increase its brightness


  3. Chemical name of Grignard reagent is

  4. A.

     Sodium thiosulphate

    B.

     Ethyl magnesium chloride

    C.

     Sodium sulphite

    D.

     Sodium bicarbonate


  5. In industrial nomenclature, alcohol means

  6. A.

     Butyl alcohol

    B.

     Propyl alcohol

    C.

     Ethanol

    D.

     Methyl alcohol


  7. Addition of calcium oxide to water produces

  8. A.

     Exothermic heat

    B.

     Hissing sound

    C.

     Slaked lime

    D.

     All of the above


  9. Alcohol is produced by the

  10. A.

     Oxidation of an aldehyde

    B.

     Hydrolysis of an ether

    C.

     Esterification of a fat

    D.

     None of these


  11. All enzymes are made of

  12. A.

     Fats

    B.

     Carbohydrates

    C.

     Proteins

    D.

     Amino acids


  13. Reaction of an alcohol with organic acid is called the __________ reaction.

  14. A.

     Saponification

    B.

     Esterification

    C.

     Neutralisation

    D.

     Acidification


  15. Impurities present in brine is normally removed by treatment with

  16. A.

     NH₃ and CO₂

    B.

     Lime and soda ash

    C.

     Lime, ammonia and carbon

    D.

     All of the above


  17. Which of the following is an organo-metal-lic compound?

  18. A.

     Isopropyl alcohol

    B.

     Tetra-ethyl lead

    C.

     Zeolite

    D.

     Cumene


  19. Analgesic drugs are

  20. A.

     Pain relievers

    B.

     Antibiotics

    C.

     Used in the treatment of T.B.

    D.

     Used in the treatment of typhiod