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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.
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संबंधित प्रश्न
Fill in the blank
A category of rock which is formed by the alteration of the parent rock due to heat and pressure is called: ______________.
What is the difference between the inner and the outer core?
How are igneous rocks formed?
Give two examples of sedimentary rocks.
What is metamorphism?
Give one term for the following statement:
Sheet like body of igneous rock.
Give one term for the following statement:
Type of metamorphism in which changes are caused due to high pressure.
______ is the kind of metamorphic rock using which Taj Mahal was built.
The word ‘Igneous’ is derived from the ______ word.
Igneous Rocks are ______ rocks.
