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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. Glass is made from the mixture of
  2. The fastest-running terrestrial animal is
  3. The metal used in storage batteries
  4. Cell membrane is
  5. Liquefied Petroleum gas (LPG) consists of mainly
  6. Old-written material, which cannot be read easily can be read by
  7. The formula of Plaster of Paris is
  8. Which of the following parts of the sun is easily visible only during a total solar eclipse?
  9. The intencity of Earthquakes is measured on
  10. Which of the following characters is not shown by hydrogen
  11. When a gas is turned into a liquid, the process is called
  12. Lightening cause rainfall because
  13. The recent atomic weight scale is based on
  14. Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
  15. Which of the following elements is non-radioactive?
  16. Earth's seasons are caused by which of the following?
  17. Pollination by birds is called
  18. Quartz crystals normally used in quartz clocks etc. is chemically
  19. The Panda belongs to the same family as that of
  20. Apparatus invented by Archimedes is :
  21. The metal that is present in Photo Films is
  22. Which of the following elements is a metal
  23. The hardest substance available on earth is
  24. The location and energy of an electron in an atom can be specified by
  25. According to Daltons atomic theory the smallest particle which can exist independently is
  26. Rust is
  27. The removal of top soil by water or wind is called
  28. Brass gets discoloured in air due to the presence of which gas in air
  29. Which of the following elements is obtained from sea weeds ?
  30. Which of the following is in liquid form at room temperature ?