Iron is the second most abundant metal found in the earth crust after aluminum. It is found in the combined state(iron is found in the […]
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How to Identify Crude Oil Deposits
Crude oil exploration and drilling have become a very important economic activity generating billions of dollars in revenues for countries that have hydrocarbon and gas […]
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Principles and Procedures involved in the Extraction of Metals
Metals are found in the combined state in ores where they exist as positive ions. During the extraction of metals, the metallic ions must first […]
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