Question

chalk iron aluminium cotton usually look different from each other. give some properties by which we can prove that these materials are different​

Answer 1

Explanation:

chalk iron aluminium cotton usually look different from each other. give some properties by which we can prove that these materials are different

Answer 2

Answer:

Few properties by which we can prove that these materials are different:

Chalk – Hard, rough, non-lustrous

Iron nail – Hard, smooth, lustrous

Wood – Hard, rough, non-lustrous

Aluminium – Hard, smooth, lustrous

Candle – Hard, smooth, non-lustrous

Cotton – Soft, smooth, non-lustrous