Question

What is lustre? How can materials be classified based on this property​

Answer 1

Answer:

Classification of material on the basis of their appearance

Those materials which have shiny appearance are said to have lustre. Some metals like iron, copper ,aluminium often lose their shine and appear dull due to the action of air and moisture on their surface.

Answer 2

Answer:

Classification of material on the basis of their appearance

Those materials which have shiny appearance are said to have lustre. Some metals like iron, copper ,aluminium often lose their shine and appear dull due to the action of air and moisture on their surface.