Which of the following demonstrates a chemical change?(1 point)
a. sugar and water mixing to create sugar water
b. iron (Fe) reacting to water (h2o) and oxygen (o) to form oxide (Fe2O3)
c. dry ice vaporizing
d. steam condensing on a mirror
1 answer
b. iron (Fe) reacting to water (H2O) and oxygen (O) to form oxide (Fe2O3)
1 answer