Metals get tarnished when exposed due to the formation of which layer on their surface

Question

Metals get tarnished when exposed due to the formation of which layer on their surface​

abhay gupta · Answer

Answer:

metal reacts with non metals mainly oxygen to form a thin layer of metal oxide on its surface which is basic in nature. this is called corrosion and the tarnished metal is said to be corroded. this layer protects further corrosion.

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Metals get tarnished when exposed due to the formation of which layer on their surface

Metals get tarnished when exposed due to the formation of which layer on their surface

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Metals get tarnished when exposed due to the formation of which layer on their surface​

Metals get tarnished when exposed due to the formation of which layer on their surface​

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Metals get tarnished when exposed due to the formation of which layer on their surface

Metals get tarnished when exposed due to the formation of which layer on their surface