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Main use of hydrazine is

A. As a rocket fuel

B. In water treatment

C. As a disinfectant

D. As fire retardant

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  1. Yeast is used in the manufacture of
  2. Hydrolysis of sugar is called
  3. Chrome tanning and vegetable tanning are done for
  4. Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used
  5. 20% oleum means that in 100 kg oleum, there are 20 kg of
  6. Terylene is
  7. At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the…
  8. Which of the following contains least amount of N2?
  9. Hydrophilic group of a soap or detergent solution is
  10. Which of the following is a disaccharide?
  11. Bisphenol A is produced by the condensation of acetone with
  12. Vulcanisation of rubber
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  14. Pick out the wrong statement.
  15. Varnish does not contain
  16. Bordeaux mixture is a/an
  17. Electro deposition of metals i.e. electroplating is never done on
  18. Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the
  19. Glauber's salt is chemically represented by
  20. Teflon is
  21. __________ is a thermosetting plastic.
  22. CaSO4 . ½H2O is known as
  23. Viscose rayon is
  24. Resistance to fusion of the refractory under a steady rising temperature condition is called
  25. Which of the following fuel gases contains maximum amount of carbon monoxide?
  26. Synthesis gas is a mixture of
  27. __________ iron is the purest form of iron.
  28. The most reactive allotropic form of phosphorus is __________ phosphorus.
  29. Manufacture of phthalic anhydride uses __________ as a catalyst.
  30. Refractory bricks having high thermal conductivity is desirable, when it is to be used in the