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Lindane is

A. Not a fumigant

B. BHC (Benzene Hexachloride) containing 99% γ-isomer

C. A by-product of BHC manufacture

D. Both (B) and (C)

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  2. Pick out the wrong statement.
  3. The chamber process is
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  5. Dehydrogenation of Isopropanol produces
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  8. Yeast is used in the manufacture of
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  10. Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from…
  11. __________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace.
  12. Viscosity index improver (like polystyrene or polyisobutylene) is added to lubricant to
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  15. Starting raw material for the manufacture of alum is
  16. Chloramines are used in water treatment for
  17. Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?
  18. Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm…
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  28. __________ is used as a flux in the smelting of copper ore like chalcopyrite.
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