Which of the following demonstrates a chemical change?(1 point)

iron (Fe) reacting to water((H2O)
) and oxygen(O) to form iron oxide(Fe2O3
)
iron (Fe) reacting to water(open paren cap h sub 2 cap o close paren) and oxygen(O) to form iron oxide(cap f e sub 2 cap o sub 3)

sugar and water mixing to create sugar water
sugar and water mixing to create sugar water

steam condensing on a mirror
steam condensing on a mirror

dry ice vaporizing