Question 7
In this experiment, add 50 ml of dilute hydrogen peroxide (1.5 M) to a conical flask, then add 1 g of yeast. Quickly fit a stopper connected by a delivery tube to an inverted, water-filled measuring cylinder in a water trough. Collect oxygen over water and record its volume every 30 seconds. Wear safety goggles and gloves.
Explain why it is necessary to put on safety goggles and gloves before starting the experiment.
Explain why it is necessary to put on safety goggles and gloves before starting the experiment.
