03/02/2016 · A substance is simply a pure form of matter. In other words, a substance is matter than contains only one type of atom or molecule.

Substance is the material, or matter, of which something is made. Substances are physical things that can be seen, touched, or measured. They are made up of one or more elemental parts. Iron, aluminium, water and air are examples of substances.

06/12/2019 · A substance is a pure single form of matter. It cannot be separated into other kinds of matter by any physical process. The substance must be composed of atoms and molecules. The substance must have a particular amount of weight, mass and volume.

A substance is a chemical element and its compounds in the natural state or the result of a manufacturing process.. In a manufacturing process, a chemical reaction is usually needed to form a substance. Chemical (A) and chemical (B) are put together and react to form the substance C. Compound C is a substance made by the reaction of A and B.

29/03/2020 · A pure substance is any single type of material that has not been contaminated by another substance. Water is considered a pure substance if the water contains only hydrogen and oxygen. Other examples include gold, silver and salt.

Definition of substance. 1 a : essential nature : essence. b : a fundamental or characteristic part or quality. c Christian Science : god sense 1b. 2 a : ultimate reality that underlies all outward …

13/10/2008 · In chemistry, the word "volatile" refers to a substance that vaporizes readily. Volatility is a measure of how readily a substance vaporizes or transitions from a liquid phase to a gas phase. The term can also be applied to the phase change from a solid state to vapor, which is called sublimation.

17/09/2021 · In chemistry, a pure substance is defined as one that is comprised of only one atom or molecule. Explore the physical properties of pure... for Teachers for Schools for Working Scholars® for ...