Gold extraction the purity of gold. The parting of gold from silver has been done since ancient times starting in Lydia in the 6th century BC. Various techniques have been practised; salt cementation from ancient times, parting using distilled mineral acids from medieval times, and in modern times using chlorination using the Miller process and electrolysis using the Wohlwill process. Gold extraction Gold extraction refers to the processes required to extract gold from its ores. This may require a combination of comminution, mineral processing, hydrometallurgical, and pyrometallurgical processes to be performed on the ore. Gold mining from alluvium ores was once achieved
101 Ways to Leave a Gameshow 101 Ways to Leave a Gameshow 101 Ways to Leave a Gameshow is a British game show produced by Initial ("a subsidiary of Endemol UK") for the BBC, it is hosted by Steve Jones and Nemone. The show sees eight contestants compete to be the winner of the £10,000 prize by picking the correct answers to general knowledge questions. Competitors who pick incorrect answers are eliminated from the show in a variety of different ways, usually involving a large drop into the pool of water at the base of the tower. The show made its debut on BBC One on