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प्रश्न
Distinguish between rocks and minerals.
उत्तर
The rocks contain minerals in the form of ores, but minerals do not contain rocks. Sedimentary rocks contain fossil fuels like coal and petroleum etc, igneous rocks are rich in minerals like copper, gold, iron etc, metamorphic rocks contain valuable building stones like marble and garnet, feldspar etc. Rocks have no definite chemical composition, while minerals have particular chemical composition.
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संबंधित प्रश्न
Classify the following rocks by selecting the correct option given below:
granite
Classify the following rocks by selecting the correct option given below:
basalt
How are rocks different from minerals?
Name any two chief characteristics of Igneous Rocks.
Distinguish between Thermal metamorphism and Dynamic metamorphism.
Classify the following rock: Basalt
Classify the following rock: Quartzite
Fill in the blanks
______ rock contain a low percentage of silica and a high percentage of basic oxides.
How are sedimentary rocks classified?
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:
Fine grained metamorphic rock, generally produced by the low grade metamorphism of shale.
Why fossils are preserved in Sedimentary and not in Igneous rocks?
Volcanic mountains are covered with sedimentary rocks.
Lava comes out from a volcano.
Oldest Sedimentary rocks of the world has been identified in Green land.
______ refer to rock in Greek.
| A | B | ||
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Match the following:
| Group 'A' | Group 'B' | ||
| A. | Granite | 1. | Bedrock |
| B. | Soil layer | 2. | Plutonic rock |
| C. | Barren island | 3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
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.
