__________ is a thermosetting plastic.

A. Polyvinyl chloride

B. Polythene

C. Bakelite

D. Teflon

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Pick out the wrong statement.
  2. Bleaching action of bleaching powder is due to its __________ properties.
  3. Multistage catalytic converter is not used in the
  4. Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove
  5. Main constituents of cotton fiber is
  6. Hydrogenation of vegetable oils is a/an __________ reaction.
  7. Which of the following paper does not require a filler during manufacture?
  8. Digestion of wood-base materials (for manufacture of pulp) is done to
  9. Sulphur addition in soap is done to
  10. Commercial production of soda ash by Solvay process requires limestone, __________ as raw materials.
  11. High acid value of an oil or fat is an indication of
  12. Phosphate rock is a raw material for the manufacture of
  13. Hard water
  14. The product obtained on mixing calcium oxide with water is called
  15. A 'unit process' is exemplified by the
  16. __________ is used as a flux in the smelting of copper ore like chalcopyrite.
  17. In the Solvay process, the product from the calciner is
  18. H2S is scrubbed from refinery gases by absorption using
  19. Styrene is produced from ethyl benzene by the process of
  20. Which is the most suitable dye for synthetic fibres?
  21. Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.
  22. Phenol formaldehyde
  23. Which of the following is used as a coagulant in water treatment?
  24. The function of gypsum addition during cement making is to
  25. Molecular weight of plastics ranges from
  26. Widely used method for the conditioning of boiler feed water is the
  27. Lithophane is
  28. A substance produced by a living organism and capable of anti-microbial activity is called a/an
  29. A bio-catalyst produced by living cells which acts independent of the cell is called a/an
  30. Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action…