Question

What is a base?

A. a substance that has a low pH value
B. a substance that can accept an OH-ion
C. a substance that is alkaline
D.a substance that can donate an H+ion

Answer 1

It is A. A substance that has a low pH value

Answer 2

The answer is: C. a substance that is alkaline.

Step-by-step explanation:

The chemical bases are also known as alkalis, because when the hydroxyl groups dissociate and release, the pH of the solutions increases, that is, the solution becomes alkaline.

The answer is: C. a substance that is alkaline.