Testing for gases in the air

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  • Created by: Z Shah
  • Created on: 25-04-15 14:11
What are the gases present in the air?
Nitrogen (78%) Oxygen (21%) Carbon Dioxide (
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What is the test for Hydrogen?
Collect the colourless gas. Hold a burning splint in the gas. It burns with a squeaky pop!
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What is the test for oxygen?
Hold a glowing splint in the colourless gas. If it relights, the gas is oxygen.
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What is the test for carbon dioxide?
Bubble the gas through colourless limewater and if it forms a white precipitate (cloudy) the gas is carbon dioxide.
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What is the other test for carbon dioxide?
Pour the gas over a burning flame. If it extinguishes, the gas is carbon dioxide.
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What is the test for water vapour?
Expose the water vapour to blue cobalt chloride paper, and it will turn pink. (Works with liquid water)
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Other cards in this set

Card 2

Front

What is the test for Hydrogen?

Back

Collect the colourless gas. Hold a burning splint in the gas. It burns with a squeaky pop!

Card 3

Front

What is the test for oxygen?

Back

Preview of the front of card 3

Card 4

Front

What is the test for carbon dioxide?

Back

Preview of the front of card 4

Card 5

Front

What is the other test for carbon dioxide?

Back

Preview of the front of card 5
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