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      Question

      The essentiality of Nitrogen was found

      by
      A Sprengel Correct Answer Incorrect Answer
      B Warington Correct Answer Incorrect Answer
      C Theoder De Sassure Correct Answer Incorrect Answer
      D Arnon Correct Answer Incorrect Answer
      E Rutherford Correct Answer Incorrect Answer

      Solution

      Nitrogen was officially discovered in 1772 by Scottish scientist Daniel Rutherford.

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