Answer:
Explanation:
a ) iron ha tendency to rust -- chemical property ,because it involves chemical reaction with water and air
b) Rainwater in industrialized regions tends to be acidic ----- chemical property ,because it involves chemical reaction with bases or metals etc
c) Hemoglobin molecules have a red color ------------ Physical property because it does not involve any chemical reaction
d) When a glass of water is left out in the sun ,the water gradually disappears
---------- Physical property, because the process can be reversed easily so it is a physical change.
e) Carbon dioxide in air is converted to more complex molecules by plants during photosynthesis.--------Chemical property, because it involves chemical reactions.
