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प्रश्न
Classify the igneous rocks on the basis of their place of origin.
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उत्तर
On the basis of origin igneous rocks are divided into two groups i.e. Extrusive and Instrusive igneous rocks. Extrusive igneous rocks are found on the surface of the earth by cooling down of erupted magma. Intrusive igneous rocks are formed beneath the earth’s crust after solidification of magma.
संबंधित प्रश्न
Fill in the blank
Sedimentary rocks such as limestone change into ___________.
With the help of your teacher, collect different types of rocks such as granite, sandstone, limestone, marble, slate, graphite, etc. and prepare a chart containing information about their colour, hardness, texture, and permeability.
State the types of rocks for the formation of which the following process is involved.
Solidification of magma on the surface of the earth.
What is metamorphism?
Classify the following rock: Granite
Classify the following rock: Quartzite
Give one word for the following.
The core of the earth occupied by rock in iron and nickel.
Give one word for the following.
A sedimentary rock, which is composed of microscopically fine, soft and smooth particles.
Give one example of an area of: Igneous rocks
Why are the Igneous Rocks called Primary Rocks?
How is Plutonic rock formed?
Give reasons for the following
Silicates are the most common rock forming minerals.
Distinguish between Intrusive and Extrusive Rocks
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Choose the incorrect statement from the following.
Igneous rocks are found in the regions of volcanoes.
______ are chemical substances which exist in nature.
Minerals exist in nature ¡n the form of ______ or ______.
The world Igneous is derived from the Latin word ______ meaning ______.
Intrusive Igneous rocks are also called ______ rocks.
