Which of the following is not an insecticide?

A. Hydrocyanic acid

B. Nicotine

C. Sodium fluoride

D. Hexane

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

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  1. Vulcanisation of rubber
  2. Fourdrinier machine is used in the manufacture of
  3. Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.
  4. During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond…
  5. Fats as compared to oils have
  6. An alkali metal salt of Palmitic acid is known as
  7. Main use of hydrazine is
  8. Permanent hardness of water can be removed by
  9. Pick out the wrong statement.
  10. Styrene butadiene rubber (SBR) is
  11. Cumene (isopropyl benzene) is made by
  12. Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo.…
  13. Carbon content of pitch (residue of coal tar distillation) is around __________ percent.
  14. Hydrogenation of edible vegetable oils
  15. The difference between saponification value and acid value is
  16. Black liquor is converted into white liquor by
  17. Which of the following is not a product of coal tar distillation?
  18. Chrome tanning and vegetable tanning are done for
  19. Which of the following is the second major component of cement?
  20. Molecular weights of polymers are in the range of
  21. Calgon used in water treatment is chemically
  22. __________ process is used for the manufacture of sodium carbonate by ammonia soda process.
  23. P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as
  24. Chemical formula of oleum is
  25. Setting of plaster of Paris is accompanied with
  26. Which of the following is a detergent?
  27. The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is
  28. In the production of soda ash by Solvay process, the by-product is
  29. 10% oleum comprises of 10% free
  30. Liquefaction of gases cannot be done by