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Which of the following statements is correct regarding ‘acidic lava’?
- a)These are the hottest lava and are highly fluidic.
- b)They are dark coloured, rich in iron and magnesium but poor in silica.
- c)The rapid cooling of acidic lava results in loud explosions throwing out many volcanic bombs or pyroclasts.
- d)The resultant volcano is gently sloping with a wide diameter and forming a flattened shield or dome.
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Which of the following statements is correct regarding ‘acidic l...
- Acidic Lavas: These lavas are highly viscous with a high melting point. They are light-colored, of low density, and have a high percentage of silica. They flow slowly and seldom travel far before solidifying. The resultant volcano is therefore steep-sided. The rapid cooling of lava in the vent obstructs the flow of the outpouring lava, resulting in loud explosions throwing out many volcanic bombs or pyroclasts. Hence, option (c) is the correct answer.
- Basic/Basaltic Lavas: These are the hottest lavas and are highly fluid. They are dark-colored like basalt, rich in iron and magnesium but poor in silica. They flow quietly and are not very explosive. They affect extensive areas, spreading out as thin sheets over great distances before they solidify. The resultant volcano is gently sloping with a wide diameter and forms a flattened shield or dome.
Most Upvoted Answer
Which of the following statements is correct regarding ‘acidic l...
Acidic Lava
Explanation:
- Acidic lava is high in silica content, which makes it viscous and less fluidic compared to other types of lava.
- When acidic lava erupts, it cools and solidifies rapidly, leading to the formation of volcanic bombs or pyroclasts.
- The rapid cooling process causes trapped gases to expand quickly, resulting in loud explosions.
- These explosions can eject volcanic bombs or pyroclasts over a wide area around the volcano.
- The resultant volcano from acidic lava eruptions tends to have steep slopes due to the viscosity of the lava, unlike the gently sloping shield volcanoes formed by less viscous lava types.
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Which of the following statements is correct regarding ‘acidic lava’?a)These are the hottest lava and are highly fluidic.b)They are dark coloured, rich in iron and magnesium but poor in silica.c)The rapid cooling of acidic lava results in loud explosions throwing out many volcanic bombs or pyroclasts.d)The resultant volcano is gently sloping with a wide diameter and forming a flattened shield or dome.Correct answer is option 'C'. Can you explain this answer?
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Which of the following statements is correct regarding ‘acidic lava’?a)These are the hottest lava and are highly fluidic.b)They are dark coloured, rich in iron and magnesium but poor in silica.c)The rapid cooling of acidic lava results in loud explosions throwing out many volcanic bombs or pyroclasts.d)The resultant volcano is gently sloping with a wide diameter and forming a flattened shield or dome.Correct answer is option 'C'. 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 statements is correct regarding ‘acidic lava’?a)These are the hottest lava and are highly fluidic.b)They are dark coloured, rich in iron and magnesium but poor in silica.c)The rapid cooling of acidic lava results in loud explosions throwing out many volcanic bombs or pyroclasts.d)The resultant volcano is gently sloping with a wide diameter and forming a flattened shield or dome.Correct answer is option 'C'. 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 statements is correct regarding ‘acidic lava’?a)These are the hottest lava and are highly fluidic.b)They are dark coloured, rich in iron and magnesium but poor in silica.c)The rapid cooling of acidic lava results in loud explosions throwing out many volcanic bombs or pyroclasts.d)The resultant volcano is gently sloping with a wide diameter and forming a flattened shield or dome.Correct answer is option 'C'. Can you explain this answer?.
Which of the following statements is correct regarding ‘acidic lava’?a)These are the hottest lava and are highly fluidic.b)They are dark coloured, rich in iron and magnesium but poor in silica.c)The rapid cooling of acidic lava results in loud explosions throwing out many volcanic bombs or pyroclasts.d)The resultant volcano is gently sloping with a wide diameter and forming a flattened shield or dome.Correct answer is option 'C'. 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 statements is correct regarding ‘acidic lava’?a)These are the hottest lava and are highly fluidic.b)They are dark coloured, rich in iron and magnesium but poor in silica.c)The rapid cooling of acidic lava results in loud explosions throwing out many volcanic bombs or pyroclasts.d)The resultant volcano is gently sloping with a wide diameter and forming a flattened shield or dome.Correct answer is option 'C'. 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 statements is correct regarding ‘acidic lava’?a)These are the hottest lava and are highly fluidic.b)They are dark coloured, rich in iron and magnesium but poor in silica.c)The rapid cooling of acidic lava results in loud explosions throwing out many volcanic bombs or pyroclasts.d)The resultant volcano is gently sloping with a wide diameter and forming a flattened shield or dome.Correct answer is option 'C'. Can you explain this answer?.
Solutions for Which of the following statements is correct regarding ‘acidic lava’?a)These are the hottest lava and are highly fluidic.b)They are dark coloured, rich in iron and magnesium but poor in silica.c)The rapid cooling of acidic lava results in loud explosions throwing out many volcanic bombs or pyroclasts.d)The resultant volcano is gently sloping with a wide diameter and forming a flattened shield or dome.Correct answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for UPSC.
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ample number of questions to practice Which of the following statements is correct regarding ‘acidic lava’?a)These are the hottest lava and are highly fluidic.b)They are dark coloured, rich in iron and magnesium but poor in silica.c)The rapid cooling of acidic lava results in loud explosions throwing out many volcanic bombs or pyroclasts.d)The resultant volcano is gently sloping with a wide diameter and forming a flattened shield or dome.Correct answer is option 'C'. Can you explain this answer? tests, examples and also practice UPSC tests.
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