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The recent atomic weight scale is based on

A. 1H1

B. 1H2

C. 6C12

D. 8O16

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  1. Which of the following is commonly called a polyamide ?
  2. The fastest acting enzyme in the biological kingdom is
  3. The hardest substance available on earth is
  4. Bromine is
  5. The major ingredient of leather is
  6. The accumulation of stress along the boundaries of lithospheric plates results in which of the following?
  7. The smallest functional and structural unit of kidney is called as
  8. Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere…
  9. Which of the following is in liquid form at room temperature ?
  10. The oxide of Nitrogen used in medicine as anaesthetic is
  11. Brass gets discoloured in air due to the presence of which gas in air
  12. Epoxy resins is used as
  13. The solar eclipse occurs when
  14. Pollination by birds is called
  15. Cell membrane is
  16. Rust is
  17. Which of the following elements is a metal
  18. Which of the following elements is non-radioactive?
  19. The chemial name of Uria is
  20. The intencity of Earthquakes is measured on
  21. Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
  22. The most important ore of Aluminium is
  23. Quartz crystals normally used in quartz clocks etc. is chemically
  24. Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous…
  25. Which of the following parts of the sun is easily visible only during a total solar eclipse?
  26. Liquefied Petroleum gas (LPG) consists of mainly
  27. One fathom is equal to
  28. The fastest-running terrestrial animal is
  29. The speed of light with the rise in the temperature of the medium
  30. The type of glass used in making prisms and lenses is