Question

Acidic and basic nature on the basis of ph

Answer 1

If the ph of the substance is less than 7 then we consider it as acidic and when the ph of the substance is 7 it is considered as neutral and when the ph of the substance is more than 7 we consider it as basic in nature

Answer 2

that's easy ....it's based on ph scale..the value of more than 7 or less than 7 these are acidic or basic