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 substance is matter which has a specific composition and specific properties. Every pure element is a substance. Every pure compound is a substance. Examples of substances: Iron is an element and hence is also a substance. Methane is a compound and hence is also a substance.Examples of non-substances: Salt water is not a substance.It is a mixture of two substances-sodium chloride and water. Its composition and therefore its properties are not fixed.Gasoline is not a substance.xamples of non-substances: Salt water is not a substance. It is a mixture of two substances-sodium chloride and water. Its composition and therefore its properties are not fixed. Gasoline is not a substance.