Question

Define Mineral and Ore.
What is pure substance?
What is metallic lustre?

Answer 1

an ore is a type of rock contain sufficient minral with important element including metal that can be economically excerted from a rock. the ore is exerted from the earth through minning theyare then refined to excert vauable element or elements.

pure substance is a substance which contain only one element.

hope it help you

Answer 2

A mineral is a naturally occurring inorganic substance found deep under the surface of the earth and Ore is a mineral from which one or more metals can be extracted profitably.

Materials made up of same kind of particles are known as pure substances.

Metals have a shining surface. This is known as metallic lustre.