1. Surface of metals loses their brightness when kept in air for long time. Why?
Answers
Answered by
0
Answer:
The brightness of the metal is lost when it is exposed to air for a long time because it reacts with minerals, water and air present in the atmosphere
Answered by
0
Answer:
Oxidation
Explanation:
As the metal is in continuous contact with the air, the oxygen and other substance in the air react with the metal.
Hence, metals lose their shine
Similar questions