Parathion and Malathion are

A. Pesticides

B. Plasticisers for unsaturated polyesters

C. Pain-relieving drugs (analgesic)

D. Tranquilisers

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  1. Pure rectified spirit contains about __________ percent alcohol.
  2. Phenol formaldehyde
  3. __________ is produced using Polycondensation reaction.
  4. Calcination of gypsum produces
  5. Unsaturated oils compared to saturated oils have
  6. Dry ice (solidified CO2) is used for the
  7. __________ is used as a catalyst in fat splitting.
  8. Which of the following is the main constituent of the mother liquor produced in salt industry?
  9. Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid.
  10. The difference between saponification value and acid value is
  11. Haemoglobin is a/an
  12. Cellulose percentage in bamboo fibre is about
  13. DDT stands for
  14. 99.5% purity oxygen is used in
  15. Which of the following is a bleaching agent added in the detergents to facilitate removal of stains…
  16. Permanent hardness of water can be removed by
  17. Litharge is
  18. Flash point of most vegetable oils is about __________ °C.
  19. Industrial production of chloroform requires acetone and
  20. 90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained…
  21. High acid value of an oil or fat is an indication of
  22. Most widely and commonly used coagulant for the removal of suspended impurities in water is
  23. The chamber process is
  24. Nicotine is
  25. Dacron (or Terylene) fibres as compared to nylon fibres have
  26. __________ process is used for producing soda ash.
  27. Prussian blue is chemically represented by
  28. Polymethyl methacrylate (PMMA) is known as
  29. Which of the following is not produced commercially from sea water?
  30. Which of the following is not an antibiotic?