1. Corrosion of metal in volves - a) Physical reaction .) Both (a) and (b) b) Chemical reaction d) None of these

1. Corrosion of metal in volves - a) Physical reaction .) Both (a) a

1.	1. Corrosion of metal in volves - a) Physical reaction .) Both (a) and (b) b) Chemical reaction d) None of these
Answer» b)chemical reaction Explanation:corrosion ....the conversion of metals into UNDESIRABLE FORM with contact of air and O2