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Identify which of the followings is an example of sedimentary rocks 
(1) Coal 
(2) Marble
(3) Limestone
(4) Graphite 
(5) Slate
  • a)
    (2),(3),(4),(5)
  • b)
    (1),(3)
  • c)
    (1),(2),(3)
  • d)
    (2),(4)
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Identify which of the followings is an example of sedimentary rocks(1)...
**Answer:**

The correct answer is option **(b) (1),(3)**.

**Explanation:**

Sedimentary rocks are formed from the accumulation and consolidation of sediments, which are particles of rocks, minerals, or organic material that have been transported and deposited by wind, water, or ice. These sediments are then compacted and cemented together over time to form sedimentary rocks.

Let's analyze each option to determine whether it is an example of a sedimentary rock:

**(1) Coal:** Coal is a combustible black or brownish-black sedimentary rock that is primarily composed of carbonized plant material. It forms from the remains of plants that lived and died millions of years ago and were subsequently buried and compressed. Therefore, coal is an example of a sedimentary rock.

**(2) Marble:** Marble is a metamorphic rock that forms from the recrystallization of limestone or dolomite. It is primarily composed of calcite or dolomite minerals. Although limestone, from which marble is derived, is a sedimentary rock, marble itself is not a sedimentary rock. Therefore, marble is not an example of a sedimentary rock.

**(3) Limestone:** Limestone is a sedimentary rock that is primarily composed of calcium carbonate. It forms from the accumulation and compaction of the shells, skeletons, and other remains of marine organisms such as coral and mollusks. Therefore, limestone is an example of a sedimentary rock.

**(4) Graphite:** Graphite is a mineral that is composed of carbon atoms arranged in a hexagonal lattice structure. It forms from the metamorphism of organic material, such as coal, under high pressure and temperature conditions. Therefore, graphite is not an example of a sedimentary rock.

**(5) Slate:** Slate is a metamorphic rock that forms from the low-grade metamorphism of shale or mudstone. It is characterized by its ability to be split into thin, flat sheets. Although shale, from which slate is derived, is a sedimentary rock, slate itself is not a sedimentary rock. Therefore, slate is not an example of a sedimentary rock.

Based on the analysis above, the correct answer is option **(b) (1),(3)**, as coal and limestone are examples of sedimentary rocks.
Community Answer
Identify which of the followings is an example of sedimentary rocks(1)...
Coal and limestone are a sedimentary rock because as these rocks are found inside the earth  and sedimentary rocks are those that are found by the deposition and subsequent cementation of that material at the earth
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Identify which of the followings is an example of sedimentary rocks(1) Coal(2) Marble(3) Limestone(4) Graphite(5) Slatea)(2),(3),(4),(5)b)(1),(3)c)(1),(2),(3)d)(2),(4)Correct answer is option 'B'. Can you explain this answer?
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Identify which of the followings is an example of sedimentary rocks(1) Coal(2) Marble(3) Limestone(4) Graphite(5) Slatea)(2),(3),(4),(5)b)(1),(3)c)(1),(2),(3)d)(2),(4)Correct 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 Identify which of the followings is an example of sedimentary rocks(1) Coal(2) Marble(3) Limestone(4) Graphite(5) Slatea)(2),(3),(4),(5)b)(1),(3)c)(1),(2),(3)d)(2),(4)Correct 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 Identify which of the followings is an example of sedimentary rocks(1) Coal(2) Marble(3) Limestone(4) Graphite(5) Slatea)(2),(3),(4),(5)b)(1),(3)c)(1),(2),(3)d)(2),(4)Correct answer is option 'B'. Can you explain this answer?.
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