Hydrazine (N₂H₄) is used mainly as a/an

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2. Catalyst used in the hydrogenation of oil is
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4. Sulphur removal by heating of pyrite ore in presence of air is called its
5. The main product of high temperature carbonisation of coal is
6. Parathion and Malathion are
7. Most commonly used rubber vulcanising agent is
8. In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst
9. SO2 is bubbled through hot sugar cane juice to
10. Liquor poisoning generally occurs due to the presence of __________ in it.
11. Boiling of water containing temporary hardness produces
12. Varnish does not contain
13. Coke used for the production of calcium carbide should have
14. Alcohol content in freshly prepared natural and fortified wine may be respectively around __________…
15. Pig iron is produced by blast furnaces in India using mostly the iron ore named
16. Analgesic drugs are
17. Rosin soap is added during paper manufacture to
18. Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about
19. Which of the following sugars is the sweetest?
20. __________ is used as a catalyst in fat splitting.
21. Le-Blanc process is a primitive process for the manufacture of
22. Sulphuric acid completely saturated with sulphur trioxide is called
23. Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.
24. Which of the following is not a pyrite ore?
25. Which of the following is not produced on commercial scale from sea water?
26. Fermentation is adversely affected by the
27. Mercury cells for caustic soda manufacture, compared to diaphragm cells
28. Phthalic anhydride is used
29. The ideal pulp for the manufacture of paper should have high __________ content.
30. Synthetic glycerine is produced from

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