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Gold 2
Beginning of essay
Gold, nothing can compare to this precious metal. A symbol of wealth and prosperity, it has been a value for explorers and adventurers and a lure for conquerors. Today it is vital to commerce and finance; popular in ornamentation, and increasing importance in technology.
The nature of gold is diver ....
Middle of essay
.... Gold will not react with common acids but is attacked by a three-to-one mixture of hydrochloric and nitric acids. This combination is called aqua regia because it reacts with the so-called royal metal. Gold will not combine directly with oxygen, but oxides may be formed indirectly. Gold will also combine with the halogens (fluorine, chlorine bromine, and iodine) and with the cyanides.
The purity of gold is expressed in Karats (KT), on a scale of 24, or in fineness, on a scale of 1,000. Pure.... |
| Number of words: 732 |
Approximate pages: 3 |
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