Astudent is using a copper strip and a strong chlorine solution in her experiment. which of these is a chemical property of one of her materials?

a.) density of the copper strip
b.) reactivity of the copper strip
c.) odor of the chlorine solution
d.) color of the chlorine solution

How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.