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how is matter classified as a mixture or pure substance based on its properties?

See below  

Step-by-step explanation:

Matter is either a pure substance or a mixture.

Pure substances

Are composed of one type of atom or molecule. Have a constant chemical composition Have fixed chemical properties Have fixed physical properties

              • For example, melting point, boiling point, density, solubility

Mixtures:

Consist of two or more substances not chemically combined Have a variable composition Can be separated into two or more components by physical means

             • For example, filtration, distillation, centrifugation

Each component retains its own properties

The correct answer is c b c a d

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).