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प्रश्न
What are minerals?
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उत्तर १
Minerals are natural inorganic substances having a crystalline form with definite physical and chemical properties. The most common minerals in the earth’s crust are silica, quartz, feldspar, mica, calcite, dolomite, gypsum, etc. There are about 2,000 minerals in the earth’s crust and these combine differently to form various kinds of rocks.
उत्तर २
The compounds of metals which occur in the earth crust and are obtained by mining are called minerals. A mineral is either a single compound or a complex mixture of several compounds of the same or different metals.
संबंधित प्रश्न
Give an example of intrusive igneous rock.
How do acidic igneous rocks differ from basic igneous rocks?
Name three types of rocks.
What physical agents are involved in the sedimentary rocks?
What is meant by the term ‘metamorphism’?
Classify the following rock: Loess
Fill in the blank below:
______are intrusions of igneous rock that are vertical in shape
______ is known as the primary rocks.
Lava comes out from a volcano.
Why are crystalline rocks called so?
