Question

What is rusting? Why it is considered to be a chemical change. List three ways to prevent rusting of iron articles

Answer 1

Answer:

Explanation:

The slow eating away of metals by moisture, water, air, etc is known as rusting. It is considered as a chemical change because in this process a new substance is formed whose properties differ from its constituent reactants and in most cases it is ireversible. Three ways to prevent rusting:. 1. painting of iron articles. 2. Galvanizing. 3. Greasing of metals, etc

Answer 2

Rusting is a process in which the surface of iron corrodes due to the moisture and water.It is cosidered as a chemical change because there is a reaction between two substance to make a new substance.

1.Galvanization

2.panting iron particles

3.paint it with oil