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:

Rust is clearly a substance that is different from iron. Rusting is an example of a chemical change. A chemical property describes the ability of a substance to undergo a specific chemical change. A chemical property of iron is that it is capable of combining with oxygen to form iron oxide, the chemical name of rust.