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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 most important ore of Aluminium is
  2. Which of the following is commonly called a polyamide ?
  3. One fathom is equal to
  4. The recent atomic weight scale is based on
  5. Which of the following characters is not shown by hydrogen
  6. The intencity of Earthquakes is measured on
  7. Lightening cause rainfall because
  8. The colour of Emerald is
  9. Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of
  10. When a gas is turned into a liquid, the process is called
  11. Water has maximum density at
  12. The solar eclipse occurs when
  13. The fastest acting enzyme in the biological kingdom is
  14. The removal of top soil by water or wind is called
  15. Which of the following parts of the sun is easily visible only during a total solar eclipse?
  16. The type of glass used in making prisms and lenses is
  17. The chemial name of Uria is
  18. The hardest substance available on earth is
  19. In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If…
  20. What is the unit for measuring the pitch or frequency of sound ?
  21. Cell membrane is
  22. Which of the following is in liquid form at room temperature ?
  23. Which of the following is the lightest metal ?
  24. Pollination by birds is called
  25. The major ingredient of leather is
  26. Polythene is industrially prepared by the polymerisation of
  27. Apparatus invented by Archimedes is :
  28. The property of a substance to absorb moisture from the air on exposure is called
  29. Liquefied Petroleum gas (LPG) consists of mainly
  30. Earth's seasons are caused by which of the following?