Give two points of difference between a mixture and a chemical compound.

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Solution

Two points of difference between a mixture and a chemical compound are:
Mixture
Chemical compound
1. Two or more substances (elements or compounds or an element and compound) are mixed in any proportion to give a mixture. 1. A compound is a pure substance in which elements combine chemically in a fixed composition to give a compound.
2. Physical methods are used to separate the components of a mixture. 2. Chemical or electrochemical methods are used to separate the components of a compound.
3. Example: Iron $(Fe)$ and sand mixed together, salt solution etc. 3. Example: Iron sulphide $(FeS)$ , Water $(H_{2} O)$ etc.

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Mixture	Chemical compound
1. Two or more substances (elements or compounds or an element and compound) are mixed in any proportion to give a mixture.	1. A compound is a pure substance in which elements combine chemically in a fixed composition to give a compound.
2. Physical methods are used to separate the components of a mixture.	2. Chemical or electrochemical methods are used to separate the components of a compound.
3. Example: Iron $(Fe)$ and sand mixed together, salt solution etc.	3. Example: Iron sulphide $(FeS)$ , Water $(H_{2} O)$ etc.