Question

What is a base?

a substance that can accept an OH– ion

a substance that has a low pH value

a substance that is alkaline

a substance that can donate an H+ ion

Answer 1

Alkaline is another word for base.

Answer 2

a substance that is alkaline

Step-by-step explanation:

The alkaline word is the another term to define a base. The alkaline base solution have pH more than 7. The pH value more than 7 signifies a base whereas less than 7 pH value denotes a acid. The substance with pH 7 is neutral.

The free hydrogen ion containing liquid can be any of the one basic or acidic. The alkali base are soluble in water.