6 What is known as oxidation? What effect does it have on the colour of rocks?
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oxidation means gaining oxygen in a chemical reaction
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Answer: Process of reaction of minerals present in rocks to atmospheric oxygen is known as oxidation.
The effects it have on the colour of rocks are -
The minerals chemically react with water, carbon dioxide or oxygen which causes the rock to change in appearance in terms of its color or even it's size.
Explanation:
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