Mixture - A mixture is a substance which consist of two or more elements or compounds not chemically combined together.
- For Example : Air is a mixture of gases like oxygen,nitrogen,argon,carbon dioxide etc.
Pure Substance - A pure substance is a substance which has only one type of atoms or molecules thereby having a constant composition and structure.
- For Example : Hydrogen gas , Gold metal , Sugar , Baking soda, Ammonia , Diamond and etc.
What I don’t understand can u show use a picture or something that is confusing
The boiling point (or condensation point) of a substance is defined as the temperature at which the vapor pressure of the liquid is exactly equal to the external pressure. Above the boiling point, the substance exists as a gas and below, it exists predominately as a liquid.
Potential differences between the ends of a circuit. Electrons flow from high potential to low potential.
