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Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove

A. Colour

B. Turbidity

C. Bacteria

D. All (A), (B) and (C)

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  1. Rancidity of the fatty oil can be reduced by its
  2. Fats as compared to oils have
  3. Varnish does not contain
  4. Penicillin is made employing __________ fermentation process.
  5. Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on…
  6. Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled…
  7. Coagulant is used __________ filtration.
  8. Blue vitriol is chemically
  9. __________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.
  10. Most widely and commonly used coagulant for the removal of suspended impurities in water is
  11. Coke oven gas consists mainly of
  12. Molecular weights of polymers are in the range of
  13. Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove
  14. Low purity oxygen is used for
  15. Deaeration of water in its treatment is necessary, as it
  16. Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion…
  17. Catalytic oxidation of toluene produces
  18. Permanent hardness of water is due to the presence of calcium & magnesium
  19. Pig iron is produced by blast furnaces in India using mostly the iron ore named
  20. Penicillin is separated from fermented broth by
  21. Which of the following processes is absent in glass manufacturing process?
  22. Which form of sulphur is the most stable at room temperature?
  23. Air used in aerobic fermentation must be sterilized, otherwise the
  24. __________ is produced by the dehydrogenation of ethyl benzene.
  25. Insulin is an __________ drug.
  26. Catalyst used in the hydrogenation of oil is
  27. Which allotrope of sulphur is insoluble in carbon disulphide?
  28. __________ acid is an unsaturated fatty acid.
  29. Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.
  30. The major use of butadiene is