Which of the following tests will completely identify anyone of surphur (VI) oxide, hydrogen, carbon…

Chemistry JAMB 1990

Which of the following tests will completely identify anyone of surphur (VI) oxide, hydrogen, carbon (IV) oxide and nitrogen (II) oxide?

  • Pass each gas into water and test with blue litmus paper
  • Pass each gas into lime water checkmark
  • Expose each gas to atmospheric air
  • Pass each gas to concentrated tetraoxosulphate (IV) acid

The correct answer is: B

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