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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
Write True or False. Rewrite the false statement correctly :
Sedimentary rocks are formed by the cooling and solidification of molten rock called magma
Give two examples of metamorphic rocks.
Briefly define Mechanical Metamorphism.
Explain this term associated with rocks: Lithification of Rocks.
Distinguish between the following:
Acid Igneous Rocks and Basic Igneous Rocks.
State the chief characteristics of metamorphic rocks.
Name different types of sedimentary rocks.
Classify the following rock: Coal
Classify the following rock: Rock salt
Give one term for the following statement:
It has a definite chemical composition with its own chemical and physical properties.
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.
Which one of the following is the most widespread most and productive category of soil.
Rocks are classified into ______ types.
The word Ignis means rock.
What is lava?
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 |
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 |
