science
Grade-4-
Easy
Question
Carbonic acid, which causes chemical weathering is formed by___________.
- Carbon dioxide dissolved in rainwater
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- Rocks dissolved in hydrochloric acid
- Water and nitric acid reaction
- None of these
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Hint:
The carbonic acid that causes chemical weathering is due to the carbon dioxide dissolved in rainwater
The correct answer is: Carbon dioxide dissolved in rainwater
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- Hydrogen, carbon, and oxygen form carbonic acid.
- It is formed in the environment by the interaction between carbon dioxide in the rainwater on the rock surface.
- The carbonic acid formed by these elements causes chemical weathering in rocks.
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