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The metal that is present in Photo Films is

A. Silver

B. Magnesium

C. Platinium

D. Mercury

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  1. The metal that is present in Photo Films is
  2. The solar eclipse occurs when
  3. The hardest substance available on earth is
  4. The marine animal called dugong which is vulnerable to extinction is a/an
  5. According to Daltons atomic theory the smallest particle which can exist independently is
  6. When a gas is turned into a liquid, the process is called
  7. The oxide of Nitrogen used in medicine as anaesthetic is
  8. Brass gets discoloured in air due to the presence of which gas in air
  9. The recent atomic weight scale is based on
  10. Old-written material, which cannot be read easily can be read by
  11. The accumulation of stress along the boundaries of lithospheric plates results in which of the following?
  12. Nitrification means
  13. The fastest acting enzyme in the biological kingdom is
  14. Bromine is
  15. Which of the following is in liquid form at room temperature ?
  16. One fathom is equal to
  17. What is the unit for measuring the pitch or frequency of sound ?
  18. Lightening cause rainfall because
  19. The smallest functional and structural unit of kidney is called as
  20. The colour of Emerald is
  21. Which of the following is commonly called a polyamide ?
  22. The major ingredient of leather is
  23. Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
  24. Rust is
  25. The metal used in storage batteries
  26. Permanent hardness of water can be removed by adding
  27. The fastest-running terrestrial animal is
  28. Polythene is industrially prepared by the polymerisation of
  29. The removal of top soil by water or wind is called
  30. The speed of light with the rise in the temperature of the medium