A shopkeeper says limestone rock is made of a single mineral. Most rocks are made of:
- Several minerals
- One mineral only
- Pure metal alone
- Only sand grains
Show answer and solution
Correct answer: A. Several minerals
1. Limestone is the exception.
2. Most rocks mix minerals in varying proportions.
3. So most rocks hold several minerals.
_Source: syllabus Geography, Contemporary India II, Chapter 5, Minerals and Energy Resources._