Chemical weathering is caused by rain water reacting with the mineral grains in rocks to form new minerals (clays) and soluble salts.
What is chemical weathering?
Chemical weathering changes the molecular structure of rocks and soil.
Chemical Weathering is defined as the chemical reaction that takes place between the rain, flowing water, and rocks along with minerals.
It results in the decaying of minerals and the rocks for the formation of new minerals, as we as, the soluble salts due to the reaction being highly acidic.
Since the reaction is acidic, it causes 'unrecognizable facial features on a marble statue.
These reactions occur particularly when the water is slightly acidic.
Thus, chemical weathering is caused by rainwater reacting with the mineral grains in rocks to form new minerals (clays) and soluble salts.
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