Question icon
Grade 12Physical Chemistry

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

Profile image of Aditi
5 Years agoGrade 12
Answers icon

1 Answer

Profile image of abhay gupta
5 Years ago
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.

thank you.