IProposeWe Make Hydrogen Bubbles

Links:

• How to Make Hydrogen Bubbles
• More Hydrogen Experiments

Materials: Test Tube, Vinegar, Long Iron Nail, Sand Paper

Procedure:

1. Pour about one inch of vinegar into your test tube then secure the test tube on a rack.
2. Using your sandpaper, sand the tip of the nail.
3. Place the nail into the vinegar with the sanded side down.

Safety Precautions:

• Do not use the sand paper against the surface of your skin.
• Keep the iron nail away from your face.

Scientific Principles:

• Vinegar is an acetate acid that reacts with iron.
• The vinegar dissolves the iron into the solution releasing hydrogen.