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In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the

A. Diamine and the ring

B. Dibasic acid and the ring

C. Diamine and the dibasic acid

D. None of these

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  1. Fats as compared to oils have
  2. Massecuite is
  3. The gasification reaction represented by, C + H2O = CO + H2, is a/an __________ reaction.
  4. Inversion of sucrose produces
  5. Which of the following is not required in the manufacture of soda ash by Solvay process?
  6. Phenol formaldehyde
  7. Sucrose is a
  8. P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as
  9. Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst…
  10. Pick out the wrong statement.
  11. Analgesic drugs are
  12. Thermosetting materials
  13. Ultimate analysis of coal determines its __________ content.
  14. __________ paper is used in the manufacture of newsprint paper.
  15. Lithophane is
  16. At a given temperature, the equilibrium yield of SO3 obtained from the oxidation of SO2 is proportional…
  17. Phenol is mainly used
  18. Which of the following is the main constituent of the mother liquor produced in salt industry?
  19. Which one of the following is not likely to be a constituent of vegetable oils?
  20. Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on…
  21. Commonly used glass is known as the __________ glass.
  22. Sea weeds are an important source of
  23. Sand and __________ is fused at 1300°C, to produce sodium silicate.
  24. Starting material for the commercial production of ethyl alcohol in India is
  25. Helium is produced on commercial scale from
  26. Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the
  27. Transparent soaps (e.g. Pears) are
  28. Coke used for the production of calcium carbide should have
  29. Manufacture of phthalic anhydride uses __________ as a catalyst.
  30. Which of the following has sodium bicarbonate as its main constituent?