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.
How does sulfuric acid react with limestone? It forms calcium sulphate, water and carbon dioxide which is an exothermic reaction (gives off heat). Limestone is soluble, which means that the water produced from the reactiâ¦on will dissolve and crumble the limestone. This reaction is also an example of acid rain. 4 people found this useful.