Question

Alkalinity of water can be defined correctly by one of the following ways

• A. It is the presence of ions in water that will neutralize hydrogen ions
• B. it is the measure of ability of water to neutralize oxygen
• C. it is the measure of ability of water to neutralize carbonates
• D. it is the measure of ability of water to neutralize hydroxides

Answer 1

The correct option is A It is the presence of ions in water that will neutralize hydrogen ions

Alkalinity is the capacity of water for neutralizing an acid solution.
or
Alkalinity is a measure of the capacity of water or any solution to neutralize or 'buffer' acids. The ability to resist changes in pH by neutralizing acids or bases is called buffering.