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Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
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Oxygen
Hold glowing spiny in tube - if it relights then it is present
Hydrogen
Light a splint and a squeaky pop will occur if it is present
Carbon Dioxide
Bubble the gas through limewater - if present it will turn cloudy
Chlorine
Test using damp litmus paper - if it turns white then it is present