Colourful balloons
You will need:
- distilled malt vinegar
- bicarbonate of soda
- empty plastic bottle (0.5 l)
- balloon
Method:
- Pour 75ml of vinegar into the bottle.
- Add 5 teaspoons of bicarbonate of soda into the balloon.
- Carefully attach the balloon to the neck of the bottle.
- Put the contents of the balloon to the bottle and observe the reaction.
How does it work?
Research: what gas is released as
a result of this reaction?
