Occasionally carbonate of soda was substituted for saleratus. In this process it is the lactic acid which displaces the carbonic acid gas from the saleratus, or the carbonate of potash of chemists.

Students explore whether carbon dioxide from other sources, namely carbonated water and a chemical reaction ... carbonate ions and calcium ions to make calcium carbonate to build their shells. Carbon ...

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As part of their research into what happens when CO2 reacts with water – known as the carbonic acid reaction – the ... which converts CO2 into calcium carbonate to form its endoskeleton.

The acid cannot be isolated from the solution and so is often simply written as CO 2 (aq). Carbonic acid causes the acidity in fizzy drinks. This is used as a test for carbon dioxide. When carbon ...

A hydrogen atom from the carbonic acid bonds to the carbonate ion in ocean water and creates a bicarbonate ion (HCO-3) which the shell-making organisms can’t use.