Question

write any three ways to prevent corrosion​

Answer 1

Three ways are

1) Galvanisation - covering iron object with zinc

2) Anodising - covering iron object with Aluminium

3) Painting - the iron object

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Answer 2

               Prevention from Corrosion

→ Corrosion of metals can be prevented by following process :-

                                                   

                                   →Painting←

⇒The most common method to preventing corrosion is to coad the metal surface with paint.

                                  →Greasing←

⇒A coat of oil or grease also protect metals from corrosion by air and moisture.

                               →Galvanization←

⇒Another common method of protecting iron from rusting is to coat its surface with a thin layer of a non-corrosive metal like zinc. This process is called galvanization.

                              →Electroplating←

⇒Iron and steel are protected from corrosion by coating them with a layer of tin or chromium metals which are resistant to corrosion. this is done by electroplating. A thin layer of tin, deposited on the inner surface of iron containers, makes them safe for storing food.

                                  →Alloying←

⇒Some metals when alloyed with other metals  become more resistant to corrosion. e.g. , iron when alloyed with chromium and nickle forms stainless steel. It is resistant to corrosion and does not rust at all.

Hope it helps You!