A unit operation is exemplified by the process of

A. Reduction

B. Desorption

C. Nitration

D. Combustion

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  1. Oxygen is produced by fractionation of air using __________ process.
  2. Chemical formula of oleum is
  3. Main constituents of cotton fiber is
  4. Hydrochloric acid is also known as
  5. Nitrogen is an essential component of
  6. Which of the following is an explosive?
  7. Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used
  8. Carbon content of pitch (residue of coal tar distillation) is around __________ percent.
  9. Pure rectified spirit contains about __________ percent alcohol.
  10. Neoprene is the trade name of
  11. The temperature in the calcium carbide furnace is __________ °C.
  12. Hydrazine is used in water treatment for the removal of
  13. Pick out the wrong statement.
  14. The enzyme which converts starch into the disaccharides maltose is
  15. Viscose rayon
  16. A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day…
  17. Dacron (or Terylene) fibres as compared to nylon fibres have
  18. Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
  19. Which of the following processes can remove both temporary as well as permanent hardness of water?
  20. Penicillin is separated from fermented broth by
  21. Oil is a/an
  22. Claude process of gas liquefaction employs
  23. Silicone is a/an
  24. Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst…
  25. Enzymes are organic catalysts used in the __________ reactions.
  26. Sucrose content in the raw juice extracted from sugar cane is about __________ percent.
  27. Phenol is mainly used
  28. The basic difference between vegetable oils and fats is in their
  29. With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur…
  30. Ultimate analysis of coal determines its __________ content.