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प्रश्न
Discuss the importance of rocks for the construction business.
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उत्तर
Rocks such as marble and granite are used in construction industries. They are cut into stones and are used for building houses, dams, roads, etc. Rocks also provide raw materials such as limestone and gypsum used in the manufacturing of cement.
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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: ______________.
Which rocks are associated with ores of metals?
How are igneous rocks classified on the basis of their chemical composition?
Differentiate between Rock and Mineral
Name different types of sedimentary rocks.
Classify the following rock: Clay
Give one term for the following statement:
Rounded or sub-rounded fragments, usually water-born cobbles, pebble and gravel, cemented together by a matrix of calcium carbonate, silica, etc.
Distinguish between Intrusive and Extrusive Rocks
What are metamorphic rocks?
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
