Keywords: Calcium carbonate wetted with hydrochloric acid held at a flame.jpg Calcium carbonate wetted with hydrochloric acid thus forming CaCl<sub>2</sub> held at a flame and showing red-orange flame color en wikipedia Innotata CommonsHelper 2008-10-05 Skatebiker wikipedia en Skatebiker Original upload log page en wikipedia 020-Ca-color jpg 2008-10-05 18 34 Skatebiker 311×243× 13730 bytes <nowiki>Calcium carbonate wetted with hydrochloric acid thus forming CaCl<sub>2</sub> held at a flame and showing red-orange flame color </nowiki> Calcium carbonate Flame |