Question

How will justify that rusting of iron is a chemical change?​

Answer 1

Answer:

chemical change is the process in which the new compound is formed and by rusting of the iron the new compound of a brown colour is

Answer 2

Answer:

The rusting of iron is a chemical change because it is two substances reacting together to make a new substance. When iron rusts, iron molecules react with oxygen molecules to make a compound called iron oxide. Rusting would only be a physical change if iron molecules remained pure iron throughout the process.