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प्रश्न
State two points of distinction between rocks and minerals.
उत्तर
| Rocks | Minerals |
| Rocks contain minerals. | Minerals do not contain rocks. |
| Rocks are the aggregates of minerals and other rock material. | Mineral 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, sulphides and metallic minerals. |
| Example: granite, sandstone, slate and quartz | Example: Iron, silicon, magnesium, nickel, calcium, potassium, sodium |
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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: ______________.
Describe the process that leads to exfoliation.
Give two examples of Sedimentary Rocks.
Which agents are responsible for deposition of sediments?
Explain this term associated with rocks: Metamorphism
What is metamorphism?
How are sedimentary and igneous rocks formed?
What physical agents are involved in the sedimentary rocks?
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
Fill in the blanks
The interior layer is the core, which is made up mainly of iron and nickel, and is called ______.
Which of the following monuments are built-in igneous rock?
- The Taj Mahal
- Fort Raigad
- The Red Fort
- Ellora Sculpture
Match the following:
| (a) | Igneous | (i) | Magma |
| (b) | Sedimentary | (ii) | Transformation |
| (c) | Metamorphic | (iii) | Gypsum |
| (d) | Molten material | (iv) | Basalt |
| (e) | Rock Cycle | (v) | Marble |
Mention a few specimens of magnificent rock-cut architecture in India?
______ are chemical substances which exist in nature.
Minerals exist in nature ¡n the form of ______ or ______.
Intrusive Igneous rocks are also called ______ rocks.
Explain the different types of sedimentary rocks.
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.
