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प्रश्न
Differentiate between Rock and Mineral
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उत्तर
| Rock | Mineral |
| A rock is a natural solid organic or inorganic material forming the crust of the earth. | The mineral is an organic element or compound which occurs naturally. |
| A rock is an aggregate of minerals. | A mineral has an atomic structure. |
| The physical properties of rocks vary. | It has fixed definite physical properties. |
संबंधित प्रश्न
Why is diamond clear and hard while graphite is soft?
Name three types of rocks.
Name the rocks which are most widespread on the earth.
Briefly define Mechanical Metamorphism.
State the types of rocks for the formation of which the following process is involved.
Decomposition of organic matter at different stages and over different periods of time.
What is metamorphism?
What are the causes of metamorphism?
State the chief characteristics of metamorphic rocks.
Classify the following rock: Granite
Classify the following rock: Quartzite
Give one word for the following.
The lower part of ocean floor, comprising mainly of silica.
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.
Fill in the blanks
______ rocks are formed by the deposition of shells and skeletons of organism.
Give one example of an area of: Sedimentary rocks in India
Why are Sedimentary rocks called the Secondary rocks?
Find the difference between:
Igneous and sedimentary rocks
How are igneous rocks formed?
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
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.
