EVERYDAY SCIENCE

Detailed explanation-1: -A pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample. Mixtures are physical combinations of two or more elements and/or compounds. Mixtures can be classified as homogeneous or heterogeneous.

Detailed explanation-2: -Pure Substance Matter that has a fixed composition and distinct properties. All pure substances are either elements or compounds. Elements All atoms are the same kind, elements have only one type of atom.

Detailed explanation-3: -A pure substance is a single kind of matter that cannot be separated into other kinds of matter by any physical means. A pure substance always has a definite and constant composition. A mixture is a physical combination of two or more pure substances in which each substance retains its own chemical identity.

Detailed explanation-4: -A naturally occurring substance that has a definite chemical composition is a mineral.

Detailed explanation-5: -Pure Substance: The substances that are free from any kind of mixture and contain only one kind of particle are pure substances. Examples of pure substances include iron, aluminum, silver, and gold.