dolor (plural dolors) ( 1 literary) Sorrow, grief, misery or anguish. 2  A unit of pain used to theoretically weigh people's outcomes.
Potassium, K. Reaction with water. When a small piece of potassium is added to water, it produces a hissing sound as it burns with a lilac flame. It also moves about quickly on the water surface. [ image ]. Hydrogen gas is given out in the reaction. The resulting alkaline solution will turn red litmus blue because of the potassium hydroxide formed.
A violent chemical reaction: 2 K + 2 H2O = 2 KOH + H2 Potassium reacts with water to form potassium hydroxide and hydrogen gas. The reaction is exothermic, and the heat genâ¦erated can ignite the hydrogen gas to create a fire. Large quantities of potassium can react explosively in water.