Question - A cleaned aluminium foil was placed in an aqueous solution of zinc sulphate. When the aluminium foil was taken out of the zinc sulphate solution after 15 minutes, its surface was found to be coated with a silvery grey deposit. From the above observation it can be concluded that:
A. Aluminium is more reactive than zinc
B. Zinc is more reactive than aluminium.
C. Zinc and aluminium both are equally reactive.
D. Zinc and aluminium both are non-reactive
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