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प्रश्न
Give reasons
Limestone is changed into marble.
थोडक्यात उत्तर
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उत्तर
Limestone is changed into marble because igneous and sedimentary rocks change into metamorphic rocks under a great heat and pressure.
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Rocks and Minerals
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संबंधित प्रश्न
What is a rock?
Name three types of rocks.
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Gold, petroleum and coal are examples of
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Rocks which contain fossils are
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The thinnest layer of the earth is
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 | ||
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What is the mineral most commonly used in the following object?

What is the mineral most commonly used in the following object?

What is the mineral most commonly used in the following object?

