Salt water is a mixture, but more specifically, it is a solution. A solution is a mixture where one substance is homogeneously or evenly distributed in the other.
Air is a mixture, which is primarily made up of nitrogen and oxygen. It is more nitrogen than oxygen, with about 78 percent of the makeup being the nitrogen and 21 percent oxygen.
You can compare and contrast mixtures and pure substances by determining if the substance can be separated into homogeneous materials. Determine if the substance can be changed into a different substance as well.
A pure substance contains only one kind of molecule, and a mixture is a combination of two or more pure substances. Distilled water, aluminum foil and table sugar are each made from only one type of particle. However, sa...
A precise but simple explanation of the difference between a mixture and a solution is that a mixture is a substance made of other substances that are mixed but not joined together, while a solution is a substance made o...
A solvent is a substance that dissolves a solute in the formation of a solution, and any solvent other than water is considered a non-aqueous solvent. Some common examples include ether, alcohol, benzene, disulphide, car...
To separate salt from sand, add water to the mixture, decant the sand particles and evaporate the water. Salt and sand form a heterogeneous mixture, which can be separated by physical means.