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Mars is red due to red soil rich in iron oxide (rust). Is the oxidation of soil to rust a PHYSICAL or CHEMICAL change How do you know?
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Mars is red due to red soil rich in iron oxide (rust). Is the oxidation of soil to rust a PHYSICAL or CHEMICAL change How do you know?

User Alex Dzeshko
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Oxidation is a chemical change because the atoms in the molecules are being rearranged to form the products
User Ole K
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