Oxygen was Discovered by:

  1. Priestly
  2. Boyle
  3. Scheele
  4. Cavendish
Monis Rasool Professor Asked on 26th May 2015 in Chemistry.
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    Option 3 is the right answer.

    Oxygen was “discovered” by a number of scientists over a fairly brief time period. First discovery is normally credited to the Swedish scientist Carl Wilhelm Scheele in 1772. He called his discovery “fire-air” because it supported combustion.
    Oxygen is a chemical element with symbol O and atomic number 8. It is a member of the chalcogen group on the periodic table and is a highly reactive nonmetallic element and oxidizing agent that readily forms compounds (notably oxides) with most elements. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. At STP, two atoms of the element bind to form dioxygen, a diatomic gas that is colorless, odorless, and tasteless

    Harsh Vardhan Professor Answered on 28th May 2015.
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