Question

6 What is known as oxidation? What effect does it have on the colour of rocks?​

Answer 1

oxidation means gaining oxygen in a chemical reaction

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Answer 2

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: