Answer:
a substance that is alkaline
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.
