Iraq is located on the continent of Asia. It is a part of the Middle East, a region of Asia and North Africa that nurtured some of the oldest human cultures on the planet. Continue Reading
salt is a pure substance because it is created using natural products that were drawn from our environment. in the refining process, there are no chemicals or other new substaâ¦nces added to the original products that would make it a mixture.
A pure substance has a definite and constant composition â like salt or sugar. A pure substance can be either an element or a compound, but the composition of a pure substance doesnât vary. An element is composed of a single kind of atom.