Question

What do you mean by the term pH of a solution?The pH of a rain water collected from 2 cities A and B was formed to be A=6 and B=6The water of which city is more acidic

Answer 1

any pH Less than seven is considered acidic where 1 is most acidic and any pH above 7 is basic where 14 is most basic.
So the rainwater with lesser pH is more acidic