The metal that is present in Photo Films is

A. Silver

B. Magnesium

C. Platinium

D. Mercury

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  1. Which of the following is the lightest metal ?
  2. The hardest substance available on earth is
  3. The most important ore of Aluminium is
  4. The formula of Plaster of Paris is
  5. Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere…
  6. Lightening cause rainfall because
  7. Brass gets discoloured in air due to the presence of which gas in air
  8. The solar eclipse occurs when
  9. The colour of Emerald is
  10. Which of the following parts of the sun is easily visible only during a total solar eclipse?
  11. Water has maximum density at
  12. The metal that is present in Photo Films is
  13. The location and energy of an electron in an atom can be specified by
  14. The Panda belongs to the same family as that of
  15. The fastest acting enzyme in the biological kingdom is
  16. The removal of top soil by water or wind is called
  17. What is the unit for measuring the pitch or frequency of sound ?
  18. Which of the following elements is obtained from sea weeds ?
  19. The metallic constituents of hard water are
  20. The intencity of Earthquakes is measured on
  21. The property of a substance to absorb moisture from the air on exposure is called
  22. Which of the following characters is not shown by hydrogen
  23. In an atomic nucleus, neutrons and protons are held together by
  24. The smallest functional and structural unit of kidney is called as
  25. Polythene is industrially prepared by the polymerisation of
  26. Cell membrane is
  27. The oxide of Nitrogen used in medicine as anaesthetic is
  28. Nitrification means
  29. When a gas is turned into a liquid, the process is called
  30. The accumulation of stress along the boundaries of lithospheric plates results in which of the following?