Answer:
Mixture
Step-by-step explanation:
Definition:
An impure substance that contain two or more pure substances that retains their individual chemical characteristics.
Examples:
1. Smoke and fog(smog)
2. Dirt and water(mud)
3. Sand , water and gravel(cement)
4. Water and salt (sea water)
5. Petroleum, hydrocarbons and fuel addictives(Gasoline)