Question

what is corrosion? state the condition necessary for rusting of iron​

Answer 1

Answer:The slow eating up of metals layer by layer due to the reaction with moisture present in air is known as corrosion. The condition required for rusting of iron is presence of moisture & iron should be coating free. Rusting is harmful because it destroy the quality of metal and also reduce its strength

Explanation:

Answer 2

Answer:corossion is a process in which metals are eaten up gradually by the action of air , moisture or a chemical on their surface .

Explanation. Air and water are conditions for rusting of iron