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More than 100 percent of __________ is present in oleum.

A. SO3

B. H2SO4

C. H2SO3

D. SO2

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

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  1. Liquor poisoning generally occurs due to the presence of __________ in it.
  2. Coagulant is used __________ filtration.
  3. Glycerine can be obtained from
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  5. Dacron is a
  6. The most widely used coagulant for removing suspended impurities from water is
  7. Conversion of CO to CO2 by steam in presence of a catalyst is called
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  14. Which allotrope of sulphur is insoluble in carbon disulphide?
  15. Dehydrogenation of ethyl benzene produces
  16. CaCl(OCl) is the chemical formula of
  17. Impurities present in brine is normally removed by treatment with
  18. __________ is used as a catalyst in fat splitting.
  19. __________ iron is the purest form of iron.
  20. Use of hydrated lime in water treatment
  21. Main constituent of limestone is
  22. The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent.
  23. Thermal pyrolysis of ethylene dichloride produces
  24. Hydrophilic group of a soap or detergent solution is
  25. Very fine suspended and colloidal impurities are removed from water by a process called
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  27. Economics of 'Solvay Process' depends upon the efficiency of
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  30. Litharge is