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Question
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
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Solution
Acidic igneous rocks
RELATED QUESTIONS
Fill in the blank
Sedimentary rocks such as limestone change into ___________.
What is crust?
Classify the following rocks by selecting the correct option given below:
coal
Classify the following rocks by selecting the correct option given below:
shale
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 three types of rocks.
Why are the igneous rocks also called the primary rocks?
Distinguish between the following:
Thermal and Dynamic Metamorphism.
Explain the formation of sedimentary rocks on the basis of agents of formation.
What physical agents are involved in the sedimentary rocks?
Fill in the blank below:
______are intrusions of igneous rock that are vertical in shape
The word ‘Igneous’ is derived from the ______ word.
An aggregate of minerals on the Earth’s Crust is called ______.
______ rocks are also known as stratified rocks.
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 |
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
