Compare bleach and mercury

Bleach: a chemical agent used to whiten or remove color from textiles, paper, food, and other substances and materials. Chlorine, sodium hypochlorite, and hydrogen peroxide are bleaches.

Mercury: it is a heavy, silvery metallic element, a liquid at normal temperatures. Mercury expands or contacts rapidly in response to changes in temperatures and therefore was once widely used in thermometers.

Bleach is a common disinfectant used in laboratory settings.

mercury is a planet.