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Bleaching of paper pulp is done with

A. Activated clay

B. Bromine

C. Chlorine or chlorine dioxide

D. Magnesium sulphite

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  16. Alcohol content in freshly prepared natural and fortified wine may be respectively around __________…
  17. Coagulant is used __________ filtration.
  18. Blue vitriol is chemically
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  20. The most widely used coagulant for removing suspended impurities from water is
  21. Which of the following is a detergent?
  22. Nickel is not used as a catalyst in the __________ reaction.
  23. __________ process is used for the manufacture of sodium carbonate by ammonia soda process.
  24. Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of
  25. CaCl(OCl) is the chemical formula of
  26. Starting raw material for the manufacture of Maleic anhydride is
  27. Esterification reaction
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