Question: Answer D Question 29 1 pts Why is the oxidation of iron considered a chemical change? O It causes the mass of iron to increase.

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Answer D Question 29 1 pts Why is the oxidation
D Question 29 1 pts Why is the oxidation of iron considered a chemical change? O It causes the mass of iron to increase. O It causes the formation of a new substance, iron oxide. O It causes the mass of the iron to decrease. O It causes the iron to melt. D Question 30 1 pts

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