Gold has been found as large nuggets in California. Gold is extracted from crushed gold-bearing quartz by forming a complex with sodium cyanide. The gold is subsequently recovered from the complex by precipitation with zinc dust. Reactions Gold is stable and not oxidised in air. Gold is not attacked by nitric acid, sulphuric acid, or hydrochloric acid.
Gold is attacked by boiling ferric chloride solution.
Uses Gold is the standard for the world's currency. Gold is widely used in jewellery, where it is used in admixture with other metals, usually copper. Pure Gold is 24-Carat. All Rights Reserved.