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Which one of the following was to be discovered first in the chromosphere of the sun

  • A.Neon
  • B.Helium
  • C.Krypton
  • D.Xenon

Answer: B

Helium was found there first.

Pierre Janssen and Norman Lockyer saw an unexplained yellow line in the solar chromosphere during the eclipse of 1868. Lockyer named the element after helios, the sun; it was not found on earth until 1895.

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