Question

what is corrosion how can it be prevented​

Answer 1

Answer:

When some metals are exposed to moisture, acids etc., they tarnish due to the formation of respective metal oxide on their surface. This process is called corrosion. Corrosion can be prevented by painting the surface, oiling, greasing, galvanizing, chrome plating or making alloys.

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Answer 2

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$<marquee>when metal reacts with oxygen and develop layer on it or layer of oxygen and get corroded</marquee>$

PREVENTION:

• GALVANISATION
• OILING
• PAINTING
• GREASING ETC....