Hydrazine is used in water treatment for the removal of

A. Colloidal impurities

B. Dissolved oxygen

C. Turbidity

D. Chlorinous taste

Related Questions

  1. __________ are used as corrosion inhibitor for iron & steel in aqueous solutions.
  2. Pick out the wrong statement.
  3. Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt…
  4. Contact process of sulphuric acid manufacture
  5. Nylon-6 as compared to Nylon-66 is having higher
  6. The process involved in converting rubber into a thin sheet or coating it on fabric is called
  7. The catalyst used in shift converter is
  8. 90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained…
  9. Which of the following is an endothermic reaction?
  10. Glycerine is not used in the
  11. Fermentation of molasses to produce ethyl alcohol is done at __________ °C.
  12. Very dilute solutions are generally used in fermentation reactions for which the optimum temperature…
  13. Saponification value/number of an oil or fat is a measure of its
  14. Sodium carbonate (soda ash) is not used in the manufacture of
  15. Bromine is used in the preparation of
  16. Comparing sulphate process with sulphite process, we find that __________ in the later.
  17. Haemoglobin is a/an
  18. Which of the following is a detergent?
  19. Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo.…
  20. Chemical name of Grignard reagent is
  21. The yield of tar from high temperature carbonisation of dry coal is about __________ percent.
  22. Bakelite is chemically known as
  23. Oleum produces fumes of
  24. Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.
  25. Concentration of sulphide ores is done usually by
  26. Na2CO3 is called
  27. Rosin soap is added during paper manufacture to
  28. Type of glass used in optical work is the __________ glass.
  29. BHC (Benzene hexachloride) is made by the chlorination of benzene
  30. Cumene is the starting material for the production of

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