An eggshell is the outer covering of a hard-shelled egg and of some forms of eggs with soft outer coats. Bird eggshells contain calcium carbonate and dissolve in various acids, including the vinegar used in cooking. While dissolving, the calcium carbonate in an egg shell reacts with the acid to form carbon dioxide.
through this medium has many works of art and crafts created, various forms of which varied adds rich artistic value of these materials, although simple in the can yet be made worthy of fine art media
through this medium has many works of art and crafts created, various forms of which varied adds rich artistic value of these materials, although simple in the can yet be made worthy of fine art media
