Question 16
In this investigation, clean a small piece of zinc and a copper wire with sandpaper to remove oxide layers. Put zinc in test tube A and copper in test tube B; each contains 10 cm³ of dilute hydrochloric acid. Wear safety goggles and work in groups.
How could you change this experiment to confirm your results or to get more detailed results?
How could you change this experiment to confirm your results or to get more detailed results?
