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A shopkeeper says limestone rock is made of a single mineral. Most rocks are made of:
ASeveral minerals
BOne mineral only
CPure metal alone
DOnly sand grains
Answer & 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: NCERT Class 10 Geography, Contemporary India II, Chapter 5, Minerals and Energy Resources._
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