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 ...

Carbonate ions are needed by marine organisms for shell and skeleton growth. Over time, more hydrogen ions and fewer carbonate ions cause the ocean to trend towards acidity. Some marine organisms, ...

Unlike the other tests described on this page, the test for carbonate ions works whatever acid is added. Explain why, in a test for sulfate ions, the sample is acidified with hydrochloric acid first.

During neutralisation the H + ion from the acid joins with the OH ... O\) This is true for all neutralisation reactions. \(Metal\,carbonate + acid \to salt + water + carbon\,dioxide\) \(2HCl ...