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.
Definition: A pure substance is a sample of matter with both definite and constant composition with distinct chemical properties. Alternate Spellings: chemical substance. Examples: water, diamond, gold, table salt (sodium chloride), ethanol.