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Fermentation is adversely affected by the

A. Presence of air

B. Absence of air

C. High concentration

D. Presence of ammonium salts

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

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  1. Poly Vinyl Chloride (P.V.C.) is a __________ material.
  2. Polycaprolactam is commercially known as
  3. Fourdrinier machine is used in the manufacture of
  4. Nickel is not used as a catalyst in the
  5. __________ of rubber decreases after its vulcanisation.
  6. Polymethyl methacrylate (PMMA) is known as
  7. Sulphuric acid saturated with SO3 is called
  8. Heating of __________ to 120°C, produces plaster of paris.
  9. Fermentation of molasses to produce ethyl alcohol is done at __________ °C.
  10. In sulphate pulp manufacture, the pressure and temperature in the digestor is
  11. Pick out the endothermic reaction out of the following.
  12. With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur…
  13. Systemic insecticides
  14. Which of the following is not required in the manufacture of soda ash by Solvay process?
  15. Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.
  16. Phthalic anhydride is made by the
  17. Saponification number of an oil or fat
  18. 'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of
  19. Pick out the correct statement.
  20. Impurities present in brine is normally removed by treatment with
  21. Paper grade bamboo contains about __________ percent cellulose.
  22. Nitric acid is not used in the manufacture of
  23. Terylene is
  24. Portland cement consists mainly of
  25. Process conditions in fermentator used for production of penicillin is
  26. Common salt is generally not produced commonly by __________ method from brine.
  27. Saponification value/number of an oil or fat is a measure of its
  28. Fusion of bauxite and __________ produces high alumina cement.
  29. Brackish water which contains mostly dissolved salt, can be purified by the __________ process.
  30. CO & H2 are the constituents of