Question

4. How are compounds different from mixtures​

Answer 1

Answer:

Difference Between Compound and Mixture.  

The compound is the chemical combination of elements, bonded together in specific proportion.

The mixture is the physical combination of substances, bonded together in any proportion. While the compound is a pure substance, the mixture is an impure substance.

Explanation:

Answer 2

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Difference Between Compound and Mixture

1. Definition

COMPOUND --->Compound are substances which are formed by chemically combining two or more elements.

MIXTURES ---->Mixtures are substances that are formed by physically mixing two or more substances.

2. Types

COMPOUND --->Compounds are three types which are covalent compounds, metallic compounds and ionic compounds.

Note: Compounds can also be classified as organic or inorganic compounds based on the presence of carbon atom.

Mixtures --->are mainly of two types i.e. homogenous mixtures and heterogeneous mixtures.

3. Substance Category

COMPOUNDS ---> Compounds fall under pure substances.

MIXTURES ---> Mixtures fall under impure substances.

4. Composition Details

COMPOUND --->The chemical composition of compounds is always fixed.

MIXTURE --->A mixture can have a variable composition of the substances forming it.

5.Nature

COMPOUND---> Compounds are always homogeneous in nature

MIXTURE---> Mixtures can either be homogeneous or heterogeneous in nature.

6. Separation of Constituents

COMPOUND--->The constituents of a compound can only be separated by either chemical or electrochemical methods(like extraction).

MIXTURE--->The constituents of a mixture can be easily separated by physical methods (like filtration).

7. Properties

COMPOUND--->The properties of compounds are peculiar to itself as the constituents of a compound lose their original properties.

MIXTURE--->The constituents of a mixture does not lose their properties and so, the properties of a mixture are generally the sum of the properties of its constituents.

8. New Substance

COMPOUND--->A new substance is formed after the constituents are chemically combined. So, a compound has different properties from its constituents.

MIXTURE--->No new substance is formed in mixtures and its properties depends upon the properties of its constituents.

9. Melting and Boiling Points

COMPOUND--->The melting and boiling points of a compound is always defined.

MIXTURE--->The melting and boiling points of a mixture is not defined.

10. Example

COMPOUND--->Water, salt, baking soda, etc.

MIXTURE--->Oil and water, sand and water, smog (smoke + fog), etc.

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