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A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z   entire Web this site electrolysis A chemical change in a substance that results from the passage of an electric current through an electrolyte. Commercial hydrogen is produced by separating the elements of water, hydrogen and oxygen, in this way. Related category    • BATTERIES Also on this site: Encyclopedia of Science Transport Concepts & Designs (partner site) BACK TO TOP