Achange of color is a sign that a chemical reaction is taking place. select the best answer from the choices provided t f

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

What type of matter is made of only one kind of atom

What if it is did darwin used to support his theory of evolution