Question

1.
what is pH scale ?

Answer 1

hey!
here is your answer
a measure of acidity or alkinity of water soluble substances. in which 1 to 6 are acidic, 7 is neutral and 8 to 14 are basic. pH means potential for hydrogen
hope it helps you
have a good day ahead

Answer 2

pH of a given solution is the negative logarithm to the base 10 of hydrogen in ion concentration h + expressed in g ions lit or mole / lit thus,
pH = - log 1 - [h+ ]
hope it help you please mark as brilliant
have a great day ☺️