When aluminium is added to dilute hydrochloric acid, no reaction occurs. When zinc is added to dilute hydrochloric acid, bubbles of gas are produced at once. Which statement correctly explains these observations?
- AAluminium is coated with a layer of aluminium oxide.
- BAluminium is more reactive than hydrogen.
- CAluminium is less reactive than zinc.
- DZinc is less reactive than hydrogen.