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Chloral is used in the manufacture of

A. DDT

B. BHC

C. Parathion

D. None of these

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  1. P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as
  2. The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent.
  3. Insulin is an __________ drug.
  4. Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.
  5. Phthalic anhydride is made by the
  6. Zeolite used in water softening process (cation exchange) is regenerated by washing with
  7. Pick out the wrong statement.
  8. Dechlorination of treated water is necessary to
  9. Which of the following, when pyrolysed, produces Perchloroethylene?
  10. Enamels
  11. Basic oxide is absent in __________ glass.
  12. 20% oleum means that in 100 kg oleum, there are 20 kg of
  13. Synthesis gas is a mixture of
  14. Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used
  15. Bromine is used in the preparation of
  16. The main use of HCl is in the
  17. Penicillin is separated from fermented broth by
  18. Styrene-butadiene-rubber (SBR) as compared to natural rubber has
  19. Epoxy resin
  20. Saponification value/number of an oil or fat is a measure of its
  21. Alcohol percentage in molasses may be around
  22. The major constituents of glass are
  23. Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene).…
  24. __________ process is used for producing soda ash.
  25. Phosphate rock is a raw material for the manufacture of
  26. Which of the following is used as a binding material in soap to improve soap texture?
  27. __________ is produced by the dehydrogenation of ethyl benzene.
  28. Magnesium and calcium __________ cause temporary hardness of water.
  29. Thermosetting plastic materials
  30. Pick out the wrong statement.