Question

2 Complete the process of iron rusting by filling the blanks.

The iron rust is formed due to reaction. Different

regions on iron surface become anode and cathode.

Reaction on anode region :Reaction on anode region :

O (g) + 4H+(aq) + → 2H O(l)

When Fe ions migrate from anode region they react with to form Fe ions.

A reddish coloured hydrated oxide is formed from ions. It is called rust.

2Fe (aq) + 4H O(l) → + 6H (aq)

A way to prevent rusting ...............
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Answer 1

Answer:

apply colour or applying greese

Answer 2

Explanation:

electroplating..... anodizing..... alloying