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Phenol formaldehyde is produced by condensation polymerisation. It is also known as

A. Teflon

B. Bakelite

C. Polyester

D. Nylon-66

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  1. Sulphur removal by heating of pyrite ore in presence of air is called its
  2. Which is the main reducing agent during production of iron from iron ore in a blast furnace?
  3. Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from…
  4. Fermentation of molasses to produce ethyl alcohol is done at __________ °C.
  5. Cumene (isopropyl benzene) is made by
  6. Plasticisers are added to paints to
  7. Phosphoric acid is prepared from
  8. Which of the following contains least amount of N2?
  9. The most reactive allotropic form of phosphorus is __________ phosphorus.
  10. Aryl benzene sulphonate (ABS) is a
  11. Starting raw material for the manufacture of Maleic anhydride is
  12. Carbon content of pitch (residue of coal tar distillation) is around __________ percent.
  13. Sand and __________ is fused at 1300°C, to produce sodium silicate.
  14. Starting material for the commercial production of ethyl alcohol in India is
  15. Percentage of alcohol in beer may be around __________ percent.
  16. Pick out the wrong statement.
  17. Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo.…
  18. Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell…
  19. __________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace.
  20. Polythene is a/an __________ polymerisation product.
  21. Which of the following coals has the highest calorific value?
  22. Massecuite is a terminology used in the __________ industry.
  23. __________ of rubber decreases after its vulcanisation.
  24. Solvent used for extraction of oil is
  25. Bleaching action of bleaching powder is due to its __________ properties.
  26. Pick out the wrong statement.
  27. Which of the following is a constituent of coffee?
  28. Which of the following is not produced on commercial scale from sea water?
  29. Which of the following, when pyrolysed, produces Perchloroethylene?
  30. Fusel oil is a/an