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.
Chemical substance. A chemical substance also known as a pure substance is a form of matter that has constant chemical composition and characteristic properties. It cannot be separated into components by physical separation methods, i.e., without breaking chemical bonds.