Question

Explain concept with example/explain with the help of a balanced equation.

Minerals

Answer 1

1. Most metals being reactive do not occur in nature in the free state but are found in a combined state as their salts such as oxides, carbonates, sulphides, and nitrates.
2. However, some unreactive metals like silver, gold, platinum, generally occur in a free state.
3. The compounds of metals that occur in nature along with the impurities are called minerals.
4. For example, bauxite is a mineral of aluminium.