Top topic this week
Questions asked by users might not always be phrased in the clearest way.
The correct answer is acid-base.
In an acid-base reaction, an acid and a base react to form a salt and water. In this case, sulfuric acid (H2SO4) reacts with potassium hydroxide (KOH) to form potassium sulfate (K2SO4) and water (H2O).