Question

Distinguish between copper and coal on the basis of the following properties: A. Lustre B. Hardness C. Electrical conductivity D. Malleability​

Answer 1

Answer:

this diagram will help u answer i think all questions

Explanation:

Answer 2

Lustre

• Metals have shining surface.
• Non Metals do not have shining surface.(Except Iodine).

so,

as Copper is a metal & Coal(Carbon) Non Metal

↓ ↓

Lustrous Non Lustrous