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CBSE Class 9 Shaping of the Earth Surface — practice questions — page 3

Explore 121 free Shaping of the Earth Surface questions in CBSE Class 9 Social Science. Open each question or exercise to read its content, reference answers and available explanation.

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Shaping of the Earth Surface questions and exercises with answers

Showing questions 61–90 of 121.

Which reaction turns many primary minerals into clay minerals?Read the answer and worked solution →Which gas acts to oxidize many minerals during weathering?Read the answer and worked solution →Which rock is dissolved in carbonate dissolution?Read the answer and worked solution →What weak acid forms when rainwater combines with carbon dioxide?Read the answer and worked solution →Which four are the major types of landforms on Earth?Read the answer and worked solution →What is the vertical dimension of the land surface called?Read the answer and worked solution →Which term describes relief measured underwater?Read the answer and worked solution →Which branch of science studies landforms?Read the answer and worked solution →Which landforms are the highest-order landforms?Read the answer and worked solution →Which technique measures the most detailed digital elevation models directly?Read the answer and worked solution →A glacier is a body of ice that keeps moving under what?Read the answer and worked solution →Why does a large piece of compressed glacier ice look blue?Read the answer and worked solution →Glacier mass changes are among the most sensitive indicators of what?Read the answer and worked solution →As a glacier moves, what does it create by abrading rock and debris?Read the answer and worked solution →Which erosion process happens in steep landscapes through landslides and debris flows?Read the answer and worked solution →In dissolution, what happens to a mineral?Read the answer and worked solution →What kind of feature is a seafloor spreading ridge?Read the answer and worked solution →Which scientific theory says Earth's lithosphere is made of large moving plates?Read the answer and worked solution →On which continent's mainland are glaciers not found?Read the answer and worked solution →Which layer of the Earth is the outermost one on which we live?Read the answer and worked solution →What is the innermost layer of the Earth, which is extremely hot and heavy, called?Read the answer and worked solution →What does the lithosphere consist of?Read the answer and worked solution →Which semi-molten layer beneath the lithosphere allows tectonic plates to move?Read the answer and worked solution →What are the edges where tectonic plates meet called?Read the answer and worked solution →What forms when two continental plates collide?Read the answer and worked solution →At a divergent boundary, rising magma forms new crust and creates which feature?Read the answer and worked solution →Plates sliding past each other without creating or destroying crust meet at which boundary?Read the answer and worked solution →What name is given to the belt of frequent earthquakes and volcanoes around the Pacific Ocean?Read the answer and worked solution →Where in India is the only mud volcano found?Read the answer and worked solution →Which is NOT one of the three main types of weathering?Read the answer and worked solution →

Worked practice questions

Which reaction turns many primary minerals into clay minerals?

  1. Hydrolysis
  2. Dissolution
  3. Carbonation
  4. Thermal fatigue
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Correct answer: A. Hydrolysis

Hydrolysis is the water reaction that converts many primary minerals into clay minerals.

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Which gas acts to oxidize many minerals during weathering?

  1. Nitrogen
  2. Helium
  3. Oxygen
  4. Argon
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Correct answer: C. Oxygen

Oxygen reacts with many minerals, oxidizing them and weakening the rock.

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Which rock is dissolved in carbonate dissolution?

  1. Granite
  2. Basalt
  3. Limestone
  4. Slate
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Correct answer: C. Limestone

Carbonate dissolution attacks calcium carbonate, the main mineral of limestone and chalk.

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