Question #47ca5

1 Answer
Oct 25, 2017

Answer:

#9# represents a basic pH at room temperature.

Explanation:

Because at room temperature, on the pH scale, substances having pH = 7 belong to the neutral class.

The ones having pH below 7 are called acids.
The ones having pH above 7 are called bases.

https://en.wikipedia.org/wiki/PH