level: Hydrogen, oxygen and carbon dioxide
Questions and Answers List
level questions: Hydrogen, oxygen and carbon dioxide
| Question | Answer |
|---|---|
| How do we test for Hydrogen | - Hold a lit splint at the end of a test tube containing a gas - If its hydrogen a squeaky pop will be let off |
| How do we test for oxygen | - Insert glowing splint into test tube containing a gas - If gas is oxygen the splint will relight |
| Testing for carbon dioxide | - shake carbon dioxide with calcium hydroxide - The solution will turn from clear to cloudy |
| Testing for chlorine | - damp litmus paper into test tube containing a gas - If the gas is chlorine the litmus paper will change from red to white |