Weathering and Denudation — Important Questions
ICSE · Class 9 · Geography
53 important questions from Weathering and Denudation for ICSE Class 9 Geography, with answers. Part of the ICSE Class 9 Geography syllabus.
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Important Questions from Weathering and Denudation
Which of the following are types of weathering?
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Physical weathering,Chemical weathering,Biological weathering
Weathering is classified into physical or mechanical, chemical, and biological weathering. Deposition is part of denudation, not weathering.
Physical weathering changes the composition of rocks.
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False
Physical weathering breaks rocks into smaller pieces but does not change their composition. Chemical weathering changes composition.
Which of these are agents of physical weathering?
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Heat,Frost,Wind
Physical weathering is caused by heat, frost, wind, plants, man and animals. Carbon dioxide alone is not listed as a physical weathering agent.
Oxidation is a factor of chemical weathering.
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True
Oxidation is one of the four main factors of chemical weathering: oxidation, hydration, carbonation and solution.
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