Two experiments are performed to investigate the reaction between zinc and sulfuric acid. experiment 1: Small pieces of zinc are placed into an excess of dilute sulfuric acid. experiment 2: The reaction is carried out at a lower temperature, together with one further alteration. Both experiments give the same total volume of gas and finish in the same time. What is the other change made in experiment 2?
- AA catalyst is added.
- BA greater mass of zinc is added.
- CA greater volume of sulfuric acid is added.
- DLarger lumps of zinc are used.