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Which of the following elements is a metal

A. S

B. Ga

C. Se

D. I

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  1. The chemial name of Uria is
  2. The type of glass used in making prisms and lenses is
  3. Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
  4. Water has maximum density at
  5. One fathom is equal to
  6. Cell membrane is
  7. Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous…
  8. In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If…
  9. The fastest-running terrestrial animal is
  10. Bromine is
  11. The location and energy of an electron in an atom can be specified by
  12. The major ingredient of leather is
  13. The formula of Plaster of Paris is
  14. Permanent hardness of water can be removed by adding
  15. Which of the following parts of the sun is easily visible only during a total solar eclipse?
  16. The most important ore of Aluminium is
  17. The element present in the largest amount in rocks and minerals is
  18. The recent atomic weight scale is based on
  19. Pollination by birds is called
  20. The hardest substance available on earth is
  21. Apparatus invented by Archimedes is :
  22. Rust is
  23. According to Daltons atomic theory the smallest particle which can exist independently is
  24. The smallest functional and structural unit of kidney is called as
  25. Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of
  26. The accumulation of stress along the boundaries of lithospheric plates results in which of the following?
  27. The solar eclipse occurs when
  28. Brass gets discoloured in air due to the presence of which gas in air
  29. The metal used in storage batteries
  30. Which of the following elements is non-radioactive?