identification of common gases

• what is the test for hydrogen & what is the result?

  • burning splint
  • squeaky pop
• what is the test for oxygen & what is the result?

  • glowing splint
  • oxygen relights splint
• what is the test for carbon dioxide & what is the result?

  • bubbling/shaking carbon dioxide through an aqueous solution of calcium hydroxide (limewater)
  • solution turns milky
• what is the test for chlorine & what is the result?

  • damp litmus paper put into chlorine gas
  • litmus paper is bleached