The effect of catalase on hydrogen peroxide was investigated by four students. At the start of the experiment, each student began a digital timer and then stopped it once 25 bubbles had been counted. The reading shown by the digital timer is given below. hours: 00, minutes: 01, seconds: 33, hundredths: 54 Which student obtained results with the greatest precision for the apparatus used?
- A1.34 minutes
- B1 minute 33.54 seconds
- C94 seconds
- D93.54 seconds