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Which of the following is not an antibiotic?

A. Penicillin

B. Streptomycin

C. Tetracycline

D. Quinine

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  1. Which of the following is not responsible for causing permanent hardness of water?
  2. An oil is converted into fat by its
  3. Which is the main reducing agent during production of iron from iron ore in a blast furnace?
  4. Hydrogenation of edible vegetable oils
  5. Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by
  6. Analgesic drugs are
  7. __________ Nature of hypo (sodium thiosulphate) makes it useful in photography.
  8. Cumene (isopropyl benzene) is made by
  9. Bitterns is a/an
  10. Liquefaction of gases cannot be done by
  11. Kaolin is a/an
  12. __________ are added in lacquers to remove film brittleness and to improve adhereness.
  13. Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?
  14. Lime and soda ash are added to water to remove
  15. Pick out the wrong statement.
  16. The major use of butadiene is
  17. Viscosity index improver (like polystyrene or polyisobutylene) is added to lubricant to
  18. The type of high refractive index glass used in optical instruments is __________ glass.
  19. Starting material for the production of styrene butadiene rubber (SBR) is
  20. Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.
  21. Nylon-66 is manufactured from
  22. Soaps remove dirt by
  23. Proximate analysis of coal determines its __________ content.
  24. Finely ground calcium aluminate & silicate is a/an
  25. Reaction of calcium carbide with water produces a gas, which is used
  26. The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent.
  27. Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4…
  28. RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically
  29. Blue vitriol is chemically
  30. What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in…