Iron oxide F E 2 O 3 is formed when iron F E and oxygen (O2) react in the presence of water (H2O) in the air. Why is the formation of rust, iron oxide, considered a chemical change? I WILL MAKE YOU BRAINLIEST A. Rust is a new substance with different properties than oxygen or iron.

B. None of the above.

C. Rust is a mixture of iron and oxygen.

D. Rust has the same chemical formula as oxygen and iron.

Iron oxide F E 2 O 3 is formed when iron F E and oxygen (O2) react in the presence of water (H2O) in the air. Why is the formation of rust, iron oxide, considered a chemical change? I WILL MAKE YOU BRAINLIEST

A. Rust is a new substance with different properties than oxygen or iron.

B. None of the above.

C. Rust is a mixture of iron and oxygen.

D. Rust has the same chemical formula as oxygen and iron.

The answer is: A

The answer is c. 320 g