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प्रश्न
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
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उत्तर
Acidic igneous rocks
संबंधित प्रश्न
Why is coal hard and chunky?
Classify the following rocks by selecting the correct option given below:
coal
Why are the igneous rocks also called the primary rocks?
State two characteristics of Basic Igneous Rocks.
What are known as metamorphic rocks?
Briefly define Mechanical Metamorphism.
Explain this term associated with rocks: Extrusive Igneous Rocks
Classify the igneous rocks on the basis of their place of origin.
What physical agents are involved in the sedimentary rocks?
Classify the following rock: Dolomite
Fill in the blanks
______ is the best example of the wind deposited stratified rock.
Give one term for the following statement:
Igneous rocks of deep seated origin.
Fill in the blank below:
______are intrusions of igneous rock that are vertical in shape
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Distinguish between Metamorphic rock and sedimentary rock.
Out of 2,000 different types, only ______ are the basic minerals commonly found all over the earth.
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.
| Group A | Group B | ||
| 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 |
