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प्रश्न
How are rocks different from minerals?
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उत्तर
Minerals are natural inorganic substances having a crystalline form with definite physical and chemical properties whereas rocks are made up of a combination of different minerals compacted together. There are about 2,000 minerals in the earth’s crust and these combine differently to form various kinds of rocks.
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संबंधित प्रश्न
Classify the following rocks by selecting the correct option given below:
basalt
Explain the structure of the earth’s interior?
Sedimentary rocks are also called stratified rocks. Why?
Give one word for the following.
The core of the earth occupied by rock in iron and nickel.
Fill in the blanks
______ rocks cover wide area in Peninsular India and Columbia, the Snake Plateau of the U.S.A.
Give reasons for the following
Rocks are of great economic significance.
Lava comes out from a volcano.
Minerals exist in nature ¡n the form of ______ or ______.
Explain the different types of sedimentary rocks.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
