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 ...

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.

This is principally caused by thermal decomposition of bi-carbonate ions but also happens to some extent even in the absence ...

Discover how lithium extraction from saltwater is revolutionised by Imperial researchers. Read more to learn about it.

The potassium carbonate dissolves in the water, along with some other salts ... defined as a process in which atoms, molecules, or ions gain electrons.) We obtained aluminum powder by filing ...