Which of the following is a chemical reaction? A) Rusting of iron B) Tempering of iron C) Bending of iron D) Melting of iron Related MCQs: Which of the following is not a chemical reaction? Which branch of science deals with the relationship between quantities of substances during chemical reaction..? The electrode potential which one of the following reaction is feasible? Keeping in mind the electrode potential which one of the following reaction is feasible?