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Minerals And Rocks
Question
Why are igneous rocks called primary rocks ?
Solution
As igneous rocks form out of magma and lava from the interior of the earth, they are known as primary rocks. The igneous rocks (Ignis –
in Latin means ‘Fire’) are formed when magma cools and solidifies.
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Some More Questions From Minerals And Rocks Chapter
What is a rock?
Name the different types of rocks.
What is lithification ?
What is the name of the scale on which the hardness of minerals is measured ?
What is a mineral ?
On what does texture of rock depend?
Write the examples of igneous rocks.
What is a sedimentary rock ?
Write some main sedimentary rocks.
Which important minerals are found in metamorphic rocks?
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