Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> What are noble metals? Give some examples.

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Noble metals are those which do not react with air, water, acids and bases. This is a reason why they are found in free state in nature. Gold and platinum are examples of noble metals.