Question

What makes pure substance different from mixture?

Answer 1

Pure substances are different from mixture.

Explanation:

Pure substance

• It contains only one kind of matter. This can either be one single element or one single compound.

• A pure substance is a sample of matter with both definite and constant composition and distinct chemical properties.

• It is free of impurities or contaminants.

• Examples of pure substances are gold, sodium, water, brass, sugar, steel etc.

Mixture

• A mixture is made when two or more substances are combined, but they are not  combined chemically.

• The components of a mixture can be easily separated.

• The components each keep their original properties.

• The proportion of the components is variable.

• Examples are mixture of sand and water, mixture of water and oil, rock etc.

Answer 2

Answer:

Pure substance different from mixture

Explanation:

Pure Substance

Pure substance is a matter which have constant and definite composition .

Pure substance also has unique chemical properties which is different from others .

Pure substances also donot have any impurities and contamination.

Mixture

When two or more substances are mixed but not mixed chemically .

Components of each maintain its original forms.

Components can be easily separated by different chemical or physical methods.

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