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प्रश्न
Give one word for the following.
The best example of chemically-formed sedimentary rock, which has been formed by the evaporation of water from solution containing minerals.
उत्तर
Gypsum
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संबंधित प्रश्न
Fill in the blank
Sedimentary rocks are formed from _____________ accumulated over long periods.
Explain the structure of the earth’s interior?
With the help of your teacher, collect different types of rocks such as granite, sandstone, limestone, marble, slate, graphite, etc. and prepare a chart containing information about their colour, hardness, texture, and permeability.
Name the rocks which are most widespread on the earth.
State the types of rocks for the formation of which the following process is involved.
Accumulation takes place over long periods of time in seas, lakes and streams.
How are igneous rocks classified on the basis of their chemical composition?
Give a detailed account of lithiflcation of sedimentary rocks.
Classify the following rock: Graphite
Give one word for the following.
The outer layer of the earth.
Give one word for the following.
Stratified rock formed organically but from vegetative matter-swamps and forests.
Give one example of an area of: Igneous rocks
Give reasons for the following
Extrusive rocks generally have small crystals.
Which of the following monuments are built-in igneous rock?
- The Taj Mahal
- Fort Raigad
- The Red Fort
- Ellora Sculpture
Igneous rocks are called primary rocks.
Volcanic mountains are covered with sedimentary rocks.
Chemical sedimentary rocks are found in the beds of reservoirs.
How are sedimentary rocks formed?
Explain Dynamic Metamorphism.
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
