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प्रश्न
State two points of distinction between rocks and minerals.
State two differences between rocks and minerals.
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उत्तर
| Rocks | Minerals |
| Rocks contain minerals. | Minerals do not contain rocks. |
| Rocks are the aggregates of minerals and other rock material. | Minerals are the compounds of pure elements with a definite chemical composition. |
| Three chief types of rocks are igneous, sedimentary, and metamorphic. | Four chief mineral groups are silicates, carbonates, sulfides, and metallic minerals. |
| Example: Granite, sandstone, slate, and quartz. | Example: Iron, silicon, magnesium, nickel, calcium, potassium, sodium. |
संबंधित प्रश्न
What is Geology?
What is sills?
Explain this term associated with rocks: Extrusive Igneous Rocks
Explain this term associated with rocks: Lithification of Rocks.
Distinguish between the following:
Plutonic and Volcanic rocks.
How are sedimentary rocks classified on the basis of their formation?
How are rocks important to us?
Classify the following rock: Coal
Classify the following rock: Basalt
Classify the following rock: Quartzite
Fill in the blanks
______ is formed, when the angular and coarse grains of some durable minerals are cemented together.
Give one term for the following statement:
Type of metamorphism in which changes are caused due to high pressure.
Why are the Igneous Rocks called Primary Rocks?
Give reasons for the following
Extrusive rocks generally have small crystals.
Find the difference between:
Igneous and sedimentary rocks
An aggregate of minerals on the Earth’s Crust is called ______.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
