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In chemistry, a mixture is a substance that is made up of two or more simpler substances. These substances can be chemical elements or compounds. A mixture can be made of liquids, solids, or gases.
A mixture is not the same as a compound which is made of two or more atoms connected together. For instance, a mixture of the gases hydrogen and nitrogen contains hydrogen and nitrogen, not the compound ammonia which is made of hydrogen and nitrogen atoms.
If one substance in a mixture dissolves in the other, it is called a solution. For example, if sugar is put in water it forms a mixture, then dissolves to make a solution. If it does not dissolve, it would be called a suspension.
Solids can be mixtures also. Alloys are mixtures. Many kinds of soil and rock are mixtures of different minerals. Thus, a mixture is made of two or more elements and/or compounds which are not chemically combined.
- Chemistry (IUPAC), The International Union of Pure and Applied. "IUPAC - mixture (M03949)". https://goldbook.iupac.org/terms/view/M03949.
- Whitten, Kenneth W. (1992). General chemistry. Kenneth D. Gailey, Raymond E. Davis (4th ed.). Fort Worth: Saunders College Pub. . . https://www.worldcat.org/oclc/25401134.
- Petrucci, Ralph H. (2002). General chemistry : principles and modern applications.. William S. Harwood, F. Geoffrey Herring (8th ed.). Upper Saddle River, N.J.: Prentice Hall. . . https://www.worldcat.org/oclc/46872308.
- "Definition of mixture - Chemistry Dictionary". https://www.chemicool.com/definition/mixture.html.