Carbon dioxide reacts with water to produce carbonic acid. The double arrow means that carbonic acid breaks down pretty readily to form carbon dioxide and water again. A hydrogen atom from the ...

Several different bases can neutralise acids ... metal's name from the carbonate and the ending from the type of acid used. Carbon dioxide can be tested for using lime water (turns from colourless ...

Carbon dioxide dissolves in (and reacts with ... BTB should be green in color. Add either a few drops of acid or base to adjust the pH of the BTB. (We used a few drops of 0.2 M Hydrochloric acid to ...