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Commercially ethylene is produced from naphtha by

A. Catalytic cracking

B. Catalytic dehydrogenation

C. Pyrolysis

D. Hydrocracking

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on…
  2. Ore concentration by froth floatation utilises the __________ of ore particles.
  3. Zeigler process
  4. The major constituent of black liquor generated during paper manufacture is sodium
  5. Chrome tanning and vegetable tanning are done for
  6. The product obtained on mixing calcium oxide with water is called
  7. Digestion of wood-base materials (for manufacture of pulp) is done to
  8. Which of the following is not present in bagasse fibre?
  9. In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst
  10. Thermosetting materials
  11. Superior quality laboratory apparatus is made of the __________ glass having low thermal coefficient…
  12. A substance produced by a living organism and capable of anti-microbial activity is called a/an
  13. Glycerine is a by-product of the __________ industry.
  14. Solvay process is used for the manufacture of
  15. Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.
  16. Poly Tetrafluoroethylene (P.T.F.E.) is known as
  17. Nickel is not used as a catalyst in the
  18. Which of the following paper does not require a filler during manufacture?
  19. Dacron is a
  20. Thermosetting plastic materials
  21. Thorium is mainly used
  22. Which of the following is not required in the manufacture of soda ash by Solvay process?
  23. An alkali metal salt of Palmitic acid is known as
  24. At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the…
  25. Grignard reagent is chemically known as
  26. __________ is produced using molasses as the starting raw material.
  27. Which of the following has sodium bicarbonate as its main constituent?
  28. Main constituent of limestone is
  29. Pick out the wrong statement pertaining to nitric acid.
  30. Cumene (isopropyl benzene) is made by