Are there any choices? Because from what the question is it seems like we need choices to help
So basically, the change in color effects the amount of cations in the solution making it a physical change rather than a chemical one, defying the law of conservation of mass! I hope this helped! (The only time the change in color affects the amount of cations is in the Alkaline Earth Metals)
source: college science teacher
They are the basic components of life or the basic building blocks of life
im not sure which one to answer, and i can hardly see the text.
