Zinc granules are allowed to react with excess dilute hydrochloric acid. The volume of hydrogen produced is recorded at different times. These results are displayed on the graph as experiment 1. The results from a second experiment are also plotted on the graph as experiment 2. Which change to the conditions was made in experiment 2?
- AThe concentration of the hydrochloric acid was decreased.
- BThe size of the zinc granules was decreased.
- CThe surface area of the zinc granules was increased.
- DThe temperature was increased.