An acid is a compound that produces the ion in solution, which is also written as the hydronium ion . A base is a compound that produces an ion with the formula and the name ion.

An acid is substance that produces H⁺  ions in solution, which is also written as the hydronium ion H₃O⁺. A base is a substance that produces an ion with the formula OH⁻ and the name hydroxyl ion.

Explanation:

An acid is substance that produces H⁺  ions in solution, which is also written as the hydronium ion H₃O⁺. A base is a substance that produces an ion with the formula OH⁻ and the name hydroxyl ion.

Acid:

An acid is the substance that sour in taste and turns the color of litmus paper from blue to red.

pH of acid is less than seven.

Base:

An acid is the substance that bitter in taste and turns the color of litmus paper from red to blue.

The pH of base is 7-14.

Arrhenius gives the simplest definition of acid and base.

Arrhenius acid:

A substance that increase the concentration of hydronium ion in solution is called acid.

HNO₃       →       H⁺ + NO₃⁻

            (H₂O)

Arrhenius base:

A substance that increase the concentration of  OH⁻ ion in solution is called base.

KOH   →  K⁺ + OH⁻

yes it is balanced