Chemistry, asked by rookief3062, 10 months ago

What is the difference between pure substance and impure substance ❓ Please tell quick

Answers

Answered by hodeee4
1

Answer:

Pure and impure chemical substances. A pure element or compound contains only one substance, with no other substances mixed in. Impure materials may be mixtures of elements, mixtures of compounds, or mixtures of elements and compounds.

Explanation:

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Answered by cherylttim
1

Answer:

a) Pure substances —

Pure substances have definite composition and definite physical and chemical properties.

They are all homogeneous i.e. their composition is uniform throughout the bulk.

Examples: Elements and compounds.

Impure substances —

Impure substances are made up of two or more pure substances mixed together in any proportion.

They may be homogeneous or hetergeneous i.e. their composition is not uniform throughout the bulk.

They are all mixtures.

Examples: air, sea water, petroleum, a solution of sugar in water are all impure substances.

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