Test for gases

• What are the tests for four common gases?

  1. Chlorine: Bleaches damp litmus paper
  2. Oxygen: Relights a glowing splint
  3. Carbon Dioxide: Turns limewater cloudy
  4. Hydrogen: Produces a "whooshing pop"
• What happens when chlorine is tested with damp litmus paper?

  It bleaches the paper, turning it white
• What occurs when a glowing splint is placed in oxygen?

  It relights the glowing splint
• What happens when carbon dioxide is bubbled through limewater?

  It turns the solution cloudy
• What sound is produced when hydrogen is ignited?

  A "squeaky pop" sound