Question

Write the difference between corrosion of aluminium and corrosion of magnesium

Answer 1

Answer:

fresh magnesium ribbon loses its luster when kept exposed in air for some days. This is due to its reaction with atmospheric air

Explanation:

2Mg + O2 - 2MgO

The lustre of Aluminium articles diminishes as time passes .

Answer 2

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When a metal is atacked by its surrounding air , moisture , acid etc it is said to be corroded . The process is called corrosion.

Electrochemical corrosion of metals occurs when electrons from atoms at the surface of the metal are transferred to a suitable electron acceptor or depolarizer. Water must be present to serve as a medium for the transport of ions.