Test for gases

• To test for Hydrogen:

  Use a burning splint held at the open end of a test tube of the gas. Creates a ‘squeaky pop’ sound (hydrogen burns rapidly)
• Test for Oxygen:

  Use a glowing splint inserted into a test tube of the gas.

  Splint relights if oxygen is present
• Test for Carbon Dioxide:

  Bubble the gas through the limewater

  It will turn milky if Carbon Dioxide is present
• Test for Chlorine:

  Use damp litmus paper

  When damp litmus paper is put into chlorine gas, the litmus paper is bleached and turns white.