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प्रश्न
Give reasons for the following
Extrusive rocks generally have small crystals.
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उत्तर
Extrusive rocks generally have small crystals because in the formation of these rocks, the solidification of magma takes place at a slower rate.
संबंधित प्रश्न
Why is diamond clear and hard while graphite is soft?
Fill in the blank
A category of rock which is formed by the alteration of the parent rock due to heat and pressure is called: ______________.
What is crust?
Why are the igneous rocks also called the primary rocks?
Give one difference between Extrusive igneous and Intrusive igneous rocks.
Name the rocks which are most widespread on the earth.
Give two examples of metamorphic rocks.
Distinguish between rocks and minerals.
Describe how igneous rocks are formed.
Classify the following rock: Gypsum
Classify the following rock: Slate
Give reasons for the following
Rocks are of great economic significance.
Mention the types of rocks based on formation?
The types of rocks based on formation are
Mention a few specimens of magnificent rock-cut architecture in India?
Distinguish between:
Internal Processes and External processes.
The two types of Intrusive Igneous rocks are ______.
Igneous Rocks are ______ rocks.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
