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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
What are metamorphic rocks?
The photograph shows you a type of rock that is widely used in the construction industry.
- Name the type of rock.
- How is it formed?
Which rocks are associated with ores of metals?
Give two examples of sedimentary rocks.
Distinguish between the following:
Plutonic and Volcanic rocks.
Distinguish between Regional and Contact metamorphism.
Give one word for the following.
Stratified rock formed organically but from vegetative matter-swamps and forests.
This is the storehouse of rocks.
Parent Rock is converted to loose Rock by ______.
What are the uses of soil?
