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Practical attempts to improve the refining of ores and their extraction to smelt metals was an important source of information for early chemists in the 16th century. Identified an impurity in copper ore as a separate metallic element, which he named nickel
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Volta demonstrated in 1794 that when two metals and brine-soaked cloth or cardboard are arranged in a circuit they produce an electric current.
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In 1803, English meteorologist and chemist John Dalton proposed Dalton's law, which describes relationship between the components in a mixture of gases and the relative pressure each contributes to that of the overall mixture.
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Potassium, the first metal that was isolated by electrolysis, was discovered in 1807 by Davy
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Chemistry is still a factor in science, scientiest use chemistry to try and learn new things that no one has yet to discover.
