A dry, granular white crystal that dissolves in liquid before acting as an acid. The acid sodium responds chemically with all the bicarbonate to discharge CO2 fuel. The kind of acid sodium found in the cooking dust can figure out the rate of fuel release. The most common acid salts in residence cooking powders tend to be Sodium aluminum sulfate NaAl(SO4)2 and Monocalcium phosphate Ca(H2PO4)2.
An acid salt is one in which the whole amount of hydrogen has not been replaced by metal; a normal salt is one in which all the hydrogen has been replaced; and a basic salt is one in which part of the acid of the normal salt has been replaced by oxygen.