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.
Usually by pure substances we mean either pure elements (all one type of atom), regular crystals (atoms arranged in a repeating pattern), or things made of only one type of molecule (a tightly bound structure of one or more types of atoms). So copper is a pure substance in any form (only copper atoms). Liquid water is a pure substance (all H2O molecules). Table salt is a pure substance (a regular crystal of Na and Cl atoms, or, to be picky, ions). Things that have different types of atoms or molecules, not arranged in regular patterns, are typically called mixtures.