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Chemical Engineering :: Chemical Process

  1. Which of the following is not required in the manufacture of soda ash by Solvay process?

  2. A.

     Ammonia

    B.

     Limestone

    C.

     Nitric acid

    D.

     None of these


  3. Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?

  4. A.

     NH?

    B.

     NaCl

    C.

     CaO

    D.

     Coke


  5. Which of the following is the purest form of water out of the following ?

  6. A.

     Underground water

    B.

     Rain water

    C.

     Well water

    D.

     Lake water


  7. Starting raw material for the manufacture of maleic anhydride is

  8. A.

     N-butene

    B.

     Benzene

    C.

     Either A or B

    D.

     Neither A nor B


  9. Catalyst used during the manufacture of 'Vanaspati Ghee' is

  10. A.

     Zinc

    B.

     Nickel

    C.

     Platinum

    D.

     Copper


  11. Fat splitting catalyst is

  12. A.

     CaCO₃

    B.

     ZnO

    C.

     Al2O₃

    D.

     Fe


  13. Fats as compared to oils have

  14. A.

     More unsaturated glycerides of fatty acids

    B.

     Less unsaturated glycerides of fatty acids

    C.

     Much higher reactivity to oxygen

    D.

     Lower melting point


  15. Vegetable oils and fats basically differ in their

  16. A.

     Density ranges

    B.

     Physical state

    C.

     Chemical composition

    D.

     Chemical properties


  17. Which oil is preferred for paint manufacture?

  18. A.

     Drying oil

    B.

     Non-drying oil

    C.

     Semi-drying oil

    D.

     Saturated oil


  19. Which of the following is not a pyrite ore?

  20. A.

     Celestite

    B.

     Galena

    C.

     Gypsum

    D.

     Siderite