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प्रश्न
Distinguish between rocks and minerals.
उत्तर
The rocks contain minerals in the form of ores, but minerals do not contain rocks. Sedimentary rocks contain fossil fuels like coal and petroleum etc, igneous rocks are rich in minerals like copper, gold, iron etc, metamorphic rocks contain valuable building stones like marble and garnet, feldspar etc. Rocks have no definite chemical composition, while minerals have particular chemical composition.
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संबंधित प्रश्न
Why is diamond clear and hard while graphite is soft?
Discuss the importance of rocks for the construction business.
Classify the following rocks by selecting the correct option given below:
marble
Classify the following rocks by selecting the correct option given below:
sandstone
How are igneous rocks formed?
The photograph shows you a type of rock that is widely used in the construction industry.
- Name the type of rock.
- How is it formed?
Name any three elements of the earth’s crust.
Name the types Sedimentary rocks based on agents of formation.
Explain this term associated with rocks: Metamorphism
Describe how are igneous rocks formed? State their chief characteristics.
Classify the following rock: Coal
Classify the following rock: Basalt
Distinguish between Intrusive and Extrusive Rocks
Which types of rocks are predominantly found at the following locations?
- Central Maharashtra
- South Konkan
- Vidarbha
Fossils are found in.
______ is the kind of metamorphic rock using which Taj Mahal was built.
______ refer to rock in Greek.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
