Question

The process of iron combining with oxygen to form rust is considered a chemical change because rust has___________

A. properties that differ from both iron and oxygen

B. the same chemical composition as iron

C. atoms of iron and oxygen

D. greater chemical reactivity than oxygen​

Answer 1

Answer:

Properties that differ from both iron and oxygen.

Option - A

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Answer 2

Answer:

A. properties that differ from both iron and oxygen.

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