Gas Tests

Reactions Matter - Mātai Matū

Finn Le Sueur

2024

Collecting Gas

For these experiments we often need to collect the gas so that we can test it. This method ensures that we test a relatively pure sample of the gas we create.

Limewater Test

  • Positive Result: The limewater goes cloudy (milky)
  • This only occurs when carbon dioxide is bubbled through it
Source

Sqeaky Pop Test

  • Positive Result: The gas ignites
  • This only occurs for hydrogen gas
Source

Glowing Split Test

  • Positive Results: The split re-ignites
  • This only occurs for oxygen gas
Source