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प्रश्न
How are chemically-formed sedimentary rocks produced?
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उत्तर
Chemically-formed sedimentary rocks are produced through evaporation of water from solutions containing minerals. In this ways a rock like ‘gypsum’ is produced. Other examples are nitrates and potash etc.
संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Minerals are organic substances.
Write True or False. Rewrite the false statement correctly :
Rocks are used in construction industries.
Classify the following rocks by selecting the correct option given below:
basalt
Name any three elements of the earth’s crust.
Name any two characteristics of Igneous Rocks.
Name the types Sedimentary rocks based on agents of formation.
Explain this term associated with rocks: Laccoliths and Batholiths
Distinguish between the following:
Sills and Dykes.
How are sedimentary rocks formed?
What is meant by a rock?
In what type of rocks do you find fossils and why?
How are rocks important to us?
What physical agents are involved in the sedimentary rocks?
Classify the following rock: Rock salt
Why are Sedimentary rocks called the Secondary rocks?
______ is the kind of metamorphic rock using which Taj Mahal was built.
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 |
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 |
