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प्रश्न
How are rocks different from minerals?
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उत्तर
Minerals are natural inorganic substances having a crystalline form with definite physical and chemical properties whereas rocks are made up of a combination of different minerals compacted together. There are about 2,000 minerals in the earth’s crust and these combine differently to form various kinds of rocks.
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संबंधित प्रश्न
Why is coal hard and chunky?
Fill in the blank
Conglomerate is an example of _____________ rocks.
Write True or False. Rewrite the false statement correctly :
Minerals are organic substances.
Classify the following rocks by selecting the correct option given below:
gypsum
Classify the following rock: Quartzite
Give one word for the following.
Rocks formed by the cooling and solidification of molten rock from beneath the earth crust.
Give one term for the following statement:
Sheet like body of igneous rock.
How are igneous rocks formed?
Diamond is an example of _______ rock.
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
