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.
Why is a homogeneous mixture not considered a pure substance? A: A pure substance can be separated by chemical means, while a mixture can be separated by physical means. B: Only heterogeneous mixtures are pure substances. C: A mixture contains one substance, while a pure substance contains more than one. D: A pure substance can be separated by physical means, while a mixture can be separated by chemical means.