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प्रश्न
What is a rock?
अति संक्षिप्त उत्तर
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उत्तर
A rock is indeed a natural mass of mineral matter that forms the Earth’s crust, and it varies in color, size, and texture.
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Rocks and Minerals
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संबंधित प्रश्न
Name three types of rocks.
How are extrusive and intrusive rocks formed?
Tick the correct answer
Rocks which contain fossils are
Match the following
| A | B | ||
| (i) | Core | (a) | Earth’s surface |
| (ii) | Minerals | (b) | Used for roads and buildings |
| (iii) | Rocks | (c) | Made of silicon and alumina |
| (iv) | Clay | (d) | Has definite chemical composition |
| (v) | Sial | (e) | Innermost layer |
| (f) | Changes into slate | ||
| (g) | Process of transformation of the rock | ||
Give reasons
Limestone is changed into marble.
What are minerals?
How are minerals useful for mankind?
What is the mineral most commonly used in the following object?
What is the mineral most commonly used in the following object?
Which one of the following is not a single element mineral?
