'Acidic' means 1: being or containing an acid; of a solution having an excess of hydrogen atoms (having a pH of less than 7); 2: being sour to the taste
acidic is has a pH value of less than 7.0
The presence of H+ ions, whereas basic solutions are basic because of the presence of OH- ions.
lemon juicecoffeei think orangeslemonsvinegar
its milkAnything basic or pure water