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.
Therefore, we can broadly categorize matter into two categories as pure substances and mixtures. Mixtures can be mainly divided into two, as homogeneous mixtures and heterogeneous mixtures. Pure Substance. Pure substance cannot be separated into two or more substances by any mechanical or physical method. Therefore, pure substance is homogenous. It has a uniform composition throughout the sample. Further, the properties of it are also uniform throughout the sample. Elements are pure substances. An element is a chemical substance, which consists of only a single type of atoms; hence, they are pure. There are about 118 elements given in the periodic table according to their atomic number. For example, the smallest element is the hydrogen.