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The metal used in storage batteries

A. Zinc

B. Iron

C. Copper

D. Lead

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  1. Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
  2. The fastest-running terrestrial animal is
  3. Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere…
  4. Old-written material, which cannot be read easily can be read by
  5. The metallic constituents of hard water are
  6. Which of the following is commonly called a polyamide ?
  7. In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If…
  8. The intencity of Earthquakes is measured on
  9. Permanent hardness of water can be removed by adding
  10. Which of the following parts of the sun is easily visible only during a total solar eclipse?
  11. The speed of light with the rise in the temperature of the medium
  12. The metal that is present in Photo Films is
  13. According to Daltons atomic theory the smallest particle which can exist independently is
  14. Which of the following characters is not shown by hydrogen
  15. When a gas is turned into a liquid, the process is called
  16. Which of the following is in liquid form at room temperature ?
  17. The solar eclipse occurs when
  18. Which of the following is the lightest metal ?
  19. The major ingredient of leather is
  20. The smallest functional and structural unit of kidney is called as
  21. Cell membrane is
  22. In an atomic nucleus, neutrons and protons are held together by
  23. The element present in the largest amount in rocks and minerals is
  24. Lightening cause rainfall because
  25. Water has maximum density at
  26. The most important ore of Aluminium is
  27. The recent atomic weight scale is based on
  28. What is the unit for measuring the pitch or frequency of sound ?
  29. The location and energy of an electron in an atom can be specified by
  30. The formula of Plaster of Paris is