Question

A substance with a pH of 9 is -

O neutral
O a base
O both an acid and a base
O an acid

Answer 1

`{ \blue{ \underline{ \tt{option \: (b)}}}} \: { \green{ \bold{a \: base}}}`

It's very simple friend.. pH means Potenz of Hydrogen. This pH helps to check the number of H+ (acidic) ions and OH- (basic) ions present in the given solution. Make sure to understand that pH have 14 in numbers.

pH → 0 to less than 7 → Acidic

pH → 7 → Neutral

pH → more than 7 till 14 → Basic