A reaction in which a carbon atom combines with oxygen atoms to form CO₂is ____. A) a physical change B) a chemical change C) both a physical and chemical change D) first a physical change, but then it becomes a chemical change E) neither a physical change or a chemical change, but a scientific change

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This reaction involves a rearrangement of atoms to form a new substance, COS (carbonyl sulfide). This is a clear indication of a chemical change.

A Reaction in Which a Carbon Atom Combines with Oxygen