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Gun powder, which is an explosive comprises of charcoal, sulphur and

A. Glycerine

B. Salt petre

C. Nitro glycerine

D. Dynamite

Correct Answer : B.


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  1. In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst
  2. Comparing sulphate process with sulphite process, we find that __________ in the later.
  3. Thermosetting materials
  4. Commercial production of Vanaspati is done by __________ of edible vegetable oils.
  5. Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.
  6. Pick out the wrong statement.
  7. At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the…
  8. Viscose rayon
  9. Bleaching action of bleaching powder is due to its __________ properties.
  10. The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is
  11. Kaolin is a/an
  12. Which of the following is an unsaturated fatty acid?
  13. Production of one ton of cement requires about __________ tons of limestone.
  14. Production of alcohol by fermentation of molasses is a/an __________ process.
  15. All enzymes are made of
  16. Alcohol content in freshly prepared natural and fortified wine may be respectively around __________…
  17. Chemical name of Grignard reagent is
  18. Glycerine is recovered from lye by
  19. The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold…
  20. Addition of calcium oxide to water produces
  21. Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about
  22. Air used in aerobic fermentation must be sterilized, otherwise the
  23. Naphthols are derivates of
  24. Laboratory glass wares which reacts with hydrofluoric acid, are made of the __________ glass.
  25. High temperature carbonisation of coal produces
  26. The gasification reaction represented by, C + H2O = CO + H2, is a/an __________ reaction.
  27. The chamber process is
  28. Chloramines are used in water treatment for
  29. Which of the following is not responsible for causing permanent hardness of water?
  30. Percentage of alcohol in beer may be around __________ percent.