WARNING! This experiment is dangerous! You should NOT perform this at home. ONLY carry out this experiment, if you are a trained chemist, and you understand local safety and legal requirements, which are required to perform such experiments
- Put several pieces of aluminum foil in a flask.
- Pour sodium hydroxide solution in this flask. Sodium hydroxide solution is often sold as a drain cleaner.
- Reaction producing hydrogen begins.
- Fit the flask with a rubber stopper and gas delivery tube.
- Dip the tube into the soap solution.
- Light up a splinter.
- Pull the tube and let the soap bubble form. It is filled with hydrogen which is lighter than air and hops off.
- Hold the splinter to the bubble. The bubble rapidly catches fire.