Very fine suspended and colloidal impurities are removed from water by a process called

A. Sedimentation

B. Coagulation

C. Disinfection

D. Softening

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  5. Terylene is
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  15. Nitrile rubber is produced by the polymerisation of
  16. Fatty material used in soap making is
  17. Helium is produced on commercial scale from
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  19. For the hydrogenation of oils, __________ (i) __________ is commonly used as catalyst and __________…
  20. Catalyst used in the oxidation of benzene to produce Maleic anhydride is
  21. In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms…
  22. Paper grade bamboo contains about __________ percent cellulose.
  23. In contact process, SO3 is absorbed in 97% H2SO4 and not in water, because
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  28. __________ is a thermosetting plastic.
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