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प्रश्न
Give reasons for the following
Silicates are the most common rock forming minerals.
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उत्तर
Silicates are the most common rock forming minerals because they are most common minerals in the Earth’s crust.
संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Rocks are used in construction industries.
What is the difference between the inner and the outer core?
What are minerals?
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?
Describe the process that leads to exfoliation.
Distinguish between the following:
Plutonic and Volcanic rocks.
Distinguish between the following:
Thermal and Dynamic Metamorphism.
State the types of rocks for the formation of which the following process is involved.
Solidification of magma on the surface of the earth.
In what type of rocks do you find fossils and why?
Distinguish between Thermal metamorphism and Dynamic metamorphism.
Classify the following rock: Peat
Classify the following rock: Limestone
Give one term for the following statement:
Type of metamorphism in which changes are caused due to high pressure.
Give an example of a Plutonic rock.
The word ‘Igneous’ is derived from the ______ word.
Lava comes out from a volcano.
Out of 2,000 different types, only ______ are the basic minerals commonly found all over the earth.
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
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. | Granite | 1. | Bed rock |
| B. | Soil layer | 2. | Plutonic rock |
| C. |
Barren island |
3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
