Prelab for Experiment 1 Preparation and Properties of Gases in a Breath

Name ___________________________

Partner __________________________

1. What gas results from the decomposition hydrogen peroxide?

2. What is the purpose of bromthymol blue?

3. Must the zipper plastic bags be sealed prior to generating the gases in them?

4. Will limewater be place into the zipper bags?

5. Identify at least two corrosive materials used in this experiment.