science
Grade-2
Easy
Question
_________ is an example of a chemical weathering.
- Breaking of rocks by hands
- Breaking of rocks by ice
- Breaking of rocks by chemicals
- Breaking of rocks by plants
Hint:
Breaking of rocks by chemicals is an example of chemical weathering.
The correct answer is: Breaking of rocks by chemicals
Chemical reactions rather than mechanical processes cause chemical weathering.
- The disintegration or erosion of rocks by chemical reactions.
- It is caused by rain water reacting with the mineral grains in rocks to form (clays) and soluble salts.
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