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Enzymes are organic catalysts used in the __________ reactions.

A. Chemical

B. Biochemical

C. Photochemical

D. Electrochemical

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  1. Pick out the wrong statement.
  2. Neoprene is chemically known as
  3. Thermoplastic materials
  4. A mineral is termed as 'ore', if
  5. Nylon-6 as compared to Nylon-66 is having higher
  6. The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold…
  7. Pig iron is produced by blast furnaces in India using mostly the iron ore named
  8. Pick out the correct statement.
  9. __________ is used as a flux in the smelting of copper ore like chalcopyrite.
  10. Zeolite is a/an
  11. Oxidation of SO2 to SO3 is favoured by
  12. CaCl(OCl) is the chemical formula of
  13. Process conditions in fermentator used for production of penicillin is
  14. Refractory bricks burnt at very high temperature have got
  15. Extraction of __________ employs an electrolytic process.
  16. Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by
  17. In primitive days, __________ was being manufactured by Leblanc Process.
  18. Which is the most efficient absorbent for SO3 out of the following?
  19. Lurgi coal gasifier is a pressurised __________ bed reactor.
  20. Pick out the wrong statement.
  21. Parathion and Malathion are
  22. Which of the following is the second major component of cement?
  23. Diaphragm electrolytic cell as compared to mercury electrolytic cell
  24. Viscose rayon is chemically
  25. Which of the following sugars is the sweetest?
  26. Which of the following is the purest form of water out of the following?
  27. Pick out the wrong statement.
  28. The most economical pulp for the production of newsprint would be the __________ pulp.
  29. Dacron (or Terylene) fibres as compared to nylon fibres have
  30. Pick out the wrong statement.