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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
What is the difference between the inner and the outer core?
What is sills?
Name the rocks which are most widespread on the earth.
Distinguish between the following:
Calcarious and Carbonacious rocks.
Classify the igneous rocks on the basis of their place of origin.
What are the causes of metamorphism?
Name the main types of rocks.
Sedimentary rocks are also called stratified rocks. Why?
Classify the following rock: Peat
Why are Sedimentary rocks called the Secondary rocks?
Give one term for the following statement:
Sheet like body of igneous rock.
Why fossils are preserved in Sedimentary and not in Igneous rocks?
______ is the kind of metamorphic rock using which Taj Mahal was built.
The word ‘Igneous’ is derived from the ______ word.
Explain the type of Igneous Rocks.
______ rocks are also known as stratified rocks.
What are the characteristics of Sedimentary rocks?
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. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
