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Apparatus invented by Archimedes is :

A. Pulley

B. Microscope

C. Thermemoter

D. Barometer

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  1. Which of the following elements is a metal
  2. According to Daltons atomic theory the smallest particle which can exist independently is
  3. Apparatus invented by Archimedes is :
  4. When a gas is turned into a liquid, the process is called
  5. Epoxy resins is used as
  6. The location and energy of an electron in an atom can be specified by
  7. The oxide of Nitrogen used in medicine as anaesthetic is
  8. The most important ore of Aluminium is
  9. The accumulation of stress along the boundaries of lithospheric plates results in which of the following?
  10. The Panda belongs to the same family as that of
  11. The formula of Plaster of Paris is
  12. The element present in the largest amount in rocks and minerals is
  13. The metal that is present in Photo Films is
  14. The fastest acting enzyme in the biological kingdom is
  15. The hardest substance available on earth is
  16. Which of the following is the lightest metal ?
  17. The marine animal called dugong which is vulnerable to extinction is a/an
  18. The smallest functional and structural unit of kidney is called as
  19. The metal used in storage batteries
  20. Polythene is industrially prepared by the polymerisation of
  21. Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere…
  22. Which of the following is in liquid form at room temperature ?
  23. The solar eclipse occurs when
  24. Brass gets discoloured in air due to the presence of which gas in air
  25. Which of the following elements is non-radioactive?
  26. Cell membrane is
  27. Bromine is
  28. Which of the following characters is not shown by hydrogen
  29. Water has maximum density at
  30. Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of