PLEASE HELP WILL MARK BRAINLIEST! What are difference between pure substance and mixtures VISUALLY?

Pure substances are further broken down into elements and compounds. Mixtures are physically combined structures that can be separated into their original components. ... A heterogeneous mixture is a mixture of two or more chemical substances where the various components can be visually distinguished.

Explanation:

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A substance is essentially a species of matter having a definite chemical composition . A number of substances can combine to form a mixture. Pure substances are composed of a single element or compounds. Combinations of different substances are called mixtures. Homogeneous mixtures are mixtures of two or more compounds (or elements) that are not visually distinguishable from each other.

In the classical physics observed in everyday life, matter is any substance that has mass and takes up space by having volume. This includes atoms and anything made up of these, but not other energy phenomena or waves such as light or sound. More generally, however, in (modern) physics, matter is not a fundamental concept because a universal definition of it is elusive; for example, the elementary constituents of atoms may be point particles, each having no volume individually.