Question

For dry corrosion of iron, which one of the following conditions is necessary?​

Answer 1

Answer:

Iron and steel rust when they come into contact with water and oxygen. Both water and oxygen are needed for rusting to occur

Answer 2

Answer:

The rusting of iron (iron in contact with water forms the anode and in contact with air forms the cathode. At the anode, iron is oxidized to Fe

2+

, and at the cathode, oxygen is reduced to water. Iron and steel rust when they come into contact with water and oxygen. Both water and oxygen are needed for rusting to occur