Answer: Examples are --- Water and oil , nails and sand and are called Heterogeneous mixtures ,
Explanation:
A mixture is a combination of two or more substances without a chemical reaction which individual components having retain their properties, We have two types of mixtures
Homogeneous-- Is a mixture, whether solid liquid or gas that contains proportions in such a way that one can hardly identify each components by looking eg --air, ink etc
Heterogeneous- Is a mixture in which the physical properties of individual components are maintained eg --- Rice and beans , water and oil, nails and sand.
