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no. that's why it is called a mixture. If it were called a compound it could be made up of different elements, but a mixture is irreversible and I made up of elements and compounds.
Yes. A mixture in definition is a combination of two or more elements or compounds. Hence in combining these elements, mixture is another set of chemical bonding, separately and divergent. Compounds are not necessary to form mixtures. There is an “or” in the said definition and certain authors to support this claim. These includes examples that can state clearly this argument, table salt as a mixture of independent elements, Na and Cl. Brass is composed of zinc and copper. Steel is from carbon and iron. Lastly, you can have gold, nickel and palladium or platinum to form white gold.