How is a pure substance different from a mixture? a.) mixtures cannot be separated by physical meansb.) mixtures are made up of more than on componentc.)a pure substance is heterogeneousd.)pure substance are separated by physical means

b.) mixtures are made up of more than on component. A pure substance is like a diatomic element, like O2, while a mixture is more like a salad, and can be separated by physical means.

A pure substance is different from a mixture in that mixtures are made up of more than on component

Explanation:

A pure substance is a substance that is homogeneous and invariable (fixed), and it is not possible to separate or divide it into more substances. For example, water has the formula H2O and is always the same. This indicates that it is formed by molecules in which there are 2 hydrogen atoms and 1 oxygen atom. If I changed that formula, it would be another different substance.

A pure substance cannot be broken down into other simpler substances using physical methods.

A pure substance has its own or defined characteristic properties.

A pure substance can be both a chemical element and a compound, which are formed by atoms or molecules of the same nature.

On the other hand, a mixture is the union of two pure substances or compounds (which have their individual properties), and have a variable chemical composition. They can be separated by chemical or physical means and obtain the components that form the mixtures. They are formed by atoms and molecules of different nature.

The mixtures can be homogeneous (whose composition and properties are uniform in any part of a given sample, such as sugar dissolved in water) or heterogeneous (those in which at a glance it is easy to identify the different components that make them up; for example water and oil or water and sand)

Given the above, it is possible to say that a pure substance differs from a mixture in that mixtures are made up of more than on component

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