Venn diagram illustrating the properties of acids and bases, with overlapping characteristics and distinct traits.

A Venn diagram comparing acids and bases, with properties listed in yellow boxes on the left, including "Cleaning products," "Fruits & juices," "Conducts electricity," "pH greater than 7," "Feels slippery," "pH less than 7," "Bitter," "Corrosive," "OH⁻ ions," "H₃O⁺ ions," "Sour Taste," "red litmus turns blue," "blue litmus turns red," "Reactive with metals," and "Not reactive with metals."