Molecular weight of plastics ranges from

A. 5000 to 10000

B. 20000 to 250000

C. 500 to 5000

D. 106 to 109

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

You can do it
  1. The basic difference between vegetable oils and fats is in their
  2. Main constituents of Portland cement are calcium aluminate and
  3. Isopropyl benzene produced by alkylation of benzene with propylene is known as
  4. Glycerine is a by-product of the __________ industry.
  5. Catalytic oxidation-dehydrogenation of methyl alcohol produces
  6. Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of
  7. Ultimate analysis of coal determines its __________ content.
  8. Bleaching of paper pulp is done with
  9. Hydrocyanic acid (HCN) is used as an insecticide for
  10. Pick out the wrong statement.
  11. Neoprene is a
  12. Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
  13. Cooking liquor in case of sulphite process is
  14. The basic constituent of vegetable oils is
  15. Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about
  16. Drinking (potable) water treatment does not involve
  17. Riboflavin is a/an
  18. Tall oil obtained as a by-product from the black liquor recovery is
  19. Mannheim furnace is used in the manufacture of
  20. Grignard reagent is chemically known as
  21. Major component of flint glass is
  22. Which glass is usually used in optical work?
  23. Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers…
  24. Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm…
  25. Zeigler process
  26. Enzymes are organic catalysts used in the __________ reactions.
  27. Phenol formaldehyde is produced by condensation polymerisation. It is also known as
  28. Neoprene is chemically known as
  29. Air used in aerobic fermentation must be sterilized, otherwise the
  30. Finely ground calcium aluminate & silicate is a/an