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Which one of the following processes is responsible for
changing the colour of a rock into yellow or red ?

(a) Hydration

(b) Exfoliation

(c) Carbonation

(d) Oxidation



Which one of the following processes is responsible for changing the colour of a rock into yellow o..

Answer / sapna

( d ) Oxidation

Is This Answer Correct ?    1 Yes 0 No

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