Step-by-step explanation:
A mixture is an impure substances with the following properties:
- Composition is indefinite i.e they consist of two or more elements and or compounds in any proportion by mass
- Constituents retain their identities i.e physical properties are retained
- Constituents reacts differently to changed conditions.
- They can easily be separated into constituents by physical methods
Examples are air, sea - water, muddy water, palm -wine, petroleum, alloys etc.
Using this description it should be easy to identify a mixture.