Difference between a rusted nail and unrusted nail
Rusted nail
- The nail with rusted surface is dull and rough
- When you scrap it off, the rusted surface will blister off.
Unrusted nail
-The clean non-rusted surface stays shiny.
There are different ways to prevent iron from rusting. We can keep it away from air and water. This can be done by:
( A ) Spay painting
( B ) Greasing or oiling
( C )Plastic coating
( D ) Tin plating
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