Testing for Gases

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  • Test for Gases
    • Chlorine
      • BLEACHES damp LITMUS PAPER, turning it white.
    • Oxygen
      • Glowing splint inside a test tube containing OXYGEN, oxygen will RELIGHT the GLOWING SPLINT.
    • Carbon Dioxide
      • Bubbling Carbon Dioxide through an aqueous solution of CALCIUM HYDROXIDE (LIMEWATER) causes the solution to turn CLOUDY.
    • Hydrogen
      • Hold a LIT SPLINT at the open end of a test tube containing hydrogen, you'll get a SQUEAKY POP from the hydrogen burning quickly with the oxygen in the air to form water.

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