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Which of the following is/are sedimentary rocks?
Coal
Slate
Potash
Chalk
Limestone
Granite
Select the correct answer using code given below.
- a)1, 2 and 5 only
- b)1, 3, 4 and 5 only
- c)2, 3 and 6 only
- d)1, 2, 3, 4, 5 and 6
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which of the following is/are sedimentary rocks? Coal Slate Potas...
- Rocks (igneous, sedimentary and metamorphic) of the earth’s surface are exposed to denudational agents, and are broken up into various sizes of fragments. Such fragments are transported by different exogenous agencies and deposited. These deposits through compaction turn into sedimentary rocks. This process is called lithification.
- Depending upon the mode of formation, sedimentary rocks are classified into three major groups:
- mechanically formed - sandstone, conglomerate, shale, loess etc. are examples;
- organically formed - geyserite, chalk, limestone, coal etc. are some examples;
- chemically formed - chert, limestone, halite, potash etc. are some examples. Hence option (b) is the correct answer.
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Community Answer
Which of the following is/are sedimentary rocks? Coal Slate Potas...
Explanation:
Sedimentary rocks are formed from the accumulation and consolidation of sediments over time. These sediments can be derived from the weathering and erosion of pre-existing rocks or from the remains of plants and animals. Sedimentary rocks are typically layered and may contain fossils.
The sedimentary rocks among the given options are:
- Coal: Coal is a sedimentary rock that is formed from the remains of plants that lived and died millions of years ago. It is primarily composed of carbon and is used as a fuel source.
- Chalk: Chalk is a soft, porous sedimentary rock that is composed of the remains of microscopic marine organisms called coccolithophores. It is primarily made up of calcium carbonate and is commonly used in the production of chalkboards and as a soil amendment.
- Limestone: Limestone is a sedimentary rock that is composed mainly of the mineral calcite. It is formed from the remains of marine organisms such as coral and shells. Limestone is widely used as a building material and as a raw material in the production of cement.
- Slate: Slate is a metamorphic rock that is formed from the metamorphism of shale or mudstone. It is characterized by its fine-grained texture and ability to be split into thin, flat sheets. While slate is not a sedimentary rock, it is commonly mistaken as one due to its appearance and association with natural stone.
The non-sedimentary rocks among the given options are:
- Potash: Potash is a general term that refers to a group of potassium-rich minerals, which can include both sedimentary and non-sedimentary rocks. However, without additional information, it cannot be determined if the form of potash mentioned in the question is a sedimentary rock.
- Granite: Granite is an igneous rock that is formed from the slow cooling and solidification of magma underground. It is composed mainly of quartz, feldspar, and mica. Granite is commonly used as a building material and for decorative purposes.
Therefore, the correct answer is option 'B' - 1, 3, 4, and 5 only.
Sedimentary rocks are formed from the accumulation and consolidation of sediments over time. These sediments can be derived from the weathering and erosion of pre-existing rocks or from the remains of plants and animals. Sedimentary rocks are typically layered and may contain fossils.
The sedimentary rocks among the given options are:
- Coal: Coal is a sedimentary rock that is formed from the remains of plants that lived and died millions of years ago. It is primarily composed of carbon and is used as a fuel source.
- Chalk: Chalk is a soft, porous sedimentary rock that is composed of the remains of microscopic marine organisms called coccolithophores. It is primarily made up of calcium carbonate and is commonly used in the production of chalkboards and as a soil amendment.
- Limestone: Limestone is a sedimentary rock that is composed mainly of the mineral calcite. It is formed from the remains of marine organisms such as coral and shells. Limestone is widely used as a building material and as a raw material in the production of cement.
- Slate: Slate is a metamorphic rock that is formed from the metamorphism of shale or mudstone. It is characterized by its fine-grained texture and ability to be split into thin, flat sheets. While slate is not a sedimentary rock, it is commonly mistaken as one due to its appearance and association with natural stone.
The non-sedimentary rocks among the given options are:
- Potash: Potash is a general term that refers to a group of potassium-rich minerals, which can include both sedimentary and non-sedimentary rocks. However, without additional information, it cannot be determined if the form of potash mentioned in the question is a sedimentary rock.
- Granite: Granite is an igneous rock that is formed from the slow cooling and solidification of magma underground. It is composed mainly of quartz, feldspar, and mica. Granite is commonly used as a building material and for decorative purposes.
Therefore, the correct answer is option 'B' - 1, 3, 4, and 5 only.
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Which of the following is/are sedimentary rocks? Coal Slate Potash Chalk Limestone Granite Select the correct answer using code given below.a)1, 2 and 5 onlyb)1, 3, 4 and 5 onlyc)2, 3 and 6 onlyd)1, 2, 3, 4, 5 and 6Correct answer is option 'B'. Can you explain this answer?
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Which of the following is/are sedimentary rocks? Coal Slate Potash Chalk Limestone Granite Select the correct answer using code given below.a)1, 2 and 5 onlyb)1, 3, 4 and 5 onlyc)2, 3 and 6 onlyd)1, 2, 3, 4, 5 and 6Correct answer is option 'B'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Which of the following is/are sedimentary rocks? Coal Slate Potash Chalk Limestone Granite Select the correct answer using code given below.a)1, 2 and 5 onlyb)1, 3, 4 and 5 onlyc)2, 3 and 6 onlyd)1, 2, 3, 4, 5 and 6Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is/are sedimentary rocks? Coal Slate Potash Chalk Limestone Granite Select the correct answer using code given below.a)1, 2 and 5 onlyb)1, 3, 4 and 5 onlyc)2, 3 and 6 onlyd)1, 2, 3, 4, 5 and 6Correct answer is option 'B'. Can you explain this answer?.
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