Testing for Gases

Describe how you would test for an alkene and give the result.

Suggest why identifying gases is important?

Describe how you would test for hydrogen gas.

What gas would you expect a result for with limewater turning cloudy?

• Hydrogen
• Oxygen
• Carbon Dioxide
• Chlorine

Give the general products when an acid reacts with a metal carbonate.

A glowing split is re-lit whe placed into a jar of a colourless gas, what is the gas?

• Hydrogen
• Oxygen
• Carbon Dioxide
• Chlorine