At room temperature, zinc reacts only slowly with dilute sulfuric acid. On the zinc surface, bubbles of a gas, L, are produced. If a small quantity of copper is added, the reaction proceeds more quickly. Which row correctly identifies L and states why the reaction is faster?
- Ahydrogen; copper acts as a catalyst
- Bhydrogen; copper is more reactive than zinc
- Coxygen; copper acts as a catalyst
- Doxygen; copper is more reactive than zinc