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The colour of Emerald is

A. Deep Green

B. Violet

C. Prussian Blue

D. Yellow

You can do it
  1. Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
  2. The chemial name of Uria is
  3. According to Daltons atomic theory the smallest particle which can exist independently is
  4. Which of the following elements is obtained from sea weeds ?
  5. The intencity of Earthquakes is measured on
  6. Which of the following elements is a metal
  7. Which of the following is the lightest metal ?
  8. Apparatus invented by Archimedes is :
  9. The speed of light with the rise in the temperature of the medium
  10. The marine animal called dugong which is vulnerable to extinction is a/an
  11. The type of glass used in making prisms and lenses is
  12. Water has maximum density at
  13. Polythene is industrially prepared by the polymerisation of
  14. The hardest substance available on earth is
  15. In an atomic nucleus, neutrons and protons are held together by
  16. The removal of top soil by water or wind is called
  17. Which of the following parts of the sun is easily visible only during a total solar eclipse?
  18. Which of the following characters is not shown by hydrogen
  19. What is the unit for measuring the pitch or frequency of sound ?
  20. The location and energy of an electron in an atom can be specified by
  21. Which of the following elements is non-radioactive?
  22. Brass gets discoloured in air due to the presence of which gas in air
  23. Liquefied Petroleum gas (LPG) consists of mainly
  24. Lightening cause rainfall because
  25. One fathom is equal to
  26. Which of the following is in liquid form at room temperature ?
  27. Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere…
  28. Earth's seasons are caused by which of the following?
  29. Nitrification means
  30. Quartz crystals normally used in quartz clocks etc. is chemically