what are mixtures and compounds give difference between then (5) with examples.
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Mixtures do not have meting or boiling point, but compounds have fixed melting and boiling point. Examples of mixtures are Alloys like brass, bismuth, chromium, oceanic water (salt and water), mixtures of gases, etc., while Sodium Chloride, Baking soda, Methane, Salt, etc., are the examples of the compounds.
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Compound Mixture
1 Definition Compound are substances which can be formed by chemically combining two or more elements. Mixtures are substances that are formed by physically mixing two or more substances.
2 Types Compounds can be of three types, which are: covalent compounds, metallic compounds and ionic compounds.
Note: Compounds can be classified as organic compounds or inorganic compounds depending on the presence of carbon in the molecular structure.
Mixtures are mainly of two types i.e. homogenous mixtures and heterogeneous mixtures.
3 Substance Category Compounds fall under pure substances. Mixtures can be categorized as impure substances.
4 Composition Details The chemical composition of compounds is always fixed. A mixture can have a variable composition of the substances forming it.
5 Nature Compounds are always homogeneous in nature Mixtures can either be homogeneous or heterogeneous in nature.
6 Separation of Constituents The constituents of a compound can only be separated by either chemical or electrochemical methods(like extraction). Mixtures can be separated into their constituents via physical separation methods such as filtration. Thus, the separation of mixtures is relatively easier than the separation of chemical compounds.
7 Properties The properties of compounds are unique to themselves and need not necessarily reflect the properties of the constituent elements. The constituents of a mixture do not lose their properties and so, the properties of a mixture are generally the sum of the properties of its constituents.
8 New Substance A new substance is formed after the constituents are chemically combined. So, a compound has different properties from its constituents. No new substances are formed in mixtures and their properties are dependent on the properties of their respective constituents.
9 Melting and Boiling Points The melting & boiling points of a compound are always defined. The melting and boiling points of a mixture is not defined.
10 Example Water, salt, baking soda, etc. Oil and water, sand and water, smog (smoke + fog), etc.
1 Definition Compound are substances which can be formed by chemically combining two or more elements. Mixtures are substances that are formed by physically mixing two or more substances.
2 Types Compounds can be of three types, which are: covalent compounds, metallic compounds and ionic compounds.
Note: Compounds can be classified as organic compounds or inorganic compounds depending on the presence of carbon in the molecular structure.
Mixtures are mainly of two types i.e. homogenous mixtures and heterogeneous mixtures.
3 Substance Category Compounds fall under pure substances. Mixtures can be categorized as impure substances.
4 Composition Details The chemical composition of compounds is always fixed. A mixture can have a variable composition of the substances forming it.
5 Nature Compounds are always homogeneous in nature Mixtures can either be homogeneous or heterogeneous in nature.
6 Separation of Constituents The constituents of a compound can only be separated by either chemical or electrochemical methods(like extraction). Mixtures can be separated into their constituents via physical separation methods such as filtration. Thus, the separation of mixtures is relatively easier than the separation of chemical compounds.
7 Properties The properties of compounds are unique to themselves and need not necessarily reflect the properties of the constituent elements. The constituents of a mixture do not lose their properties and so, the properties of a mixture are generally the sum of the properties of its constituents.
8 New Substance A new substance is formed after the constituents are chemically combined. So, a compound has different properties from its constituents. No new substances are formed in mixtures and their properties are dependent on the properties of their respective constituents.
9 Melting and Boiling Points The melting & boiling points of a compound are always defined. The melting and boiling points of a mixture is not defined.
10 Example Water, salt, baking soda, etc. Oil and water, sand and water, smog (smoke + fog), etc.
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