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According to Daltons atomic theory the smallest particle which can exist independently is

A. An atom

B. A cation

C. A molecule

D. An anion

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  1. The intencity of Earthquakes is measured on
  2. Which of the following is in liquid form at room temperature ?
  3. Which of the following elements is obtained from sea weeds ?
  4. Old-written material, which cannot be read easily can be read by
  5. The recent atomic weight scale is based on
  6. Which of the following characters is not shown by hydrogen
  7. Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
  8. The fastest acting enzyme in the biological kingdom is
  9. When a gas is turned into a liquid, the process is called
  10. Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of
  11. Which of the following parts of the sun is easily visible only during a total solar eclipse?
  12. Bromine is
  13. The solar eclipse occurs when
  14. Water has maximum density at
  15. The colour of Emerald is
  16. The accumulation of stress along the boundaries of lithospheric plates results in which of the following?
  17. Apparatus invented by Archimedes is :
  18. Cell membrane is
  19. The removal of top soil by water or wind is called
  20. Earth's seasons are caused by which of the following?
  21. Pollination by birds is called
  22. The hardest substance available on earth is
  23. Which of the following is the lightest metal ?
  24. Rust is
  25. The smallest functional and structural unit of kidney is called as
  26. The location and energy of an electron in an atom can be specified by
  27. The metallic constituents of hard water are
  28. Lightening cause rainfall because
  29. In an atomic nucleus, neutrons and protons are held together by
  30. The type of glass used in making prisms and lenses is