Nitrification means

A. Conversion of nitrogen to nitric acid.

B. Production of nitrogen from air

C. Convert the atmospheric nitrogen to effective nitrogen compound.

D. Liquifaction of nitrogen

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  1. Which of the following parts of the sun is easily visible only during a total solar eclipse?
  2. The formula of Plaster of Paris is
  3. According to Daltons atomic theory the smallest particle which can exist independently is
  4. Nitrification means
  5. Cell membrane is
  6. Pollination by birds is called
  7. Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere…
  8. Polythene is industrially prepared by the polymerisation of
  9. Which of the following elements is a metal
  10. The accumulation of stress along the boundaries of lithospheric plates results in which of the following?
  11. The hardest substance available on earth is
  12. The fastest-running terrestrial animal is
  13. Which of the following elements is non-radioactive?
  14. The metal used in storage batteries
  15. Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
  16. Bromine is
  17. The metallic constituents of hard water are
  18. The major ingredient of leather is
  19. The speed of light with the rise in the temperature of the medium
  20. Rust is
  21. In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If…
  22. Old-written material, which cannot be read easily can be read by
  23. The chemial name of Uria is
  24. The solar eclipse occurs when
  25. Which of the following is commonly called a polyamide ?
  26. The recent atomic weight scale is based on
  27. What is the unit for measuring the pitch or frequency of sound ?
  28. Which of the following is the lightest metal ?
  29. Which of the following characters is not shown by hydrogen
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