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Quarrying
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- Mining techniques are used to extract the ore containing the desired metal. After this, the metals are extracted from the rocks. This process is known as quarrying.
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Metals can be arranged in order of reactivity by observing their reactions with water, acid and displacement reactions with other metal compounds. This determines how it is extracted from its...
- The reactivity series
Metals mostly occur as compounds in rocks and minerals and...
- The reactivity series
Metals mostly occur as compounds in rocks and minerals and must be extracted before they can be used. The method used to extract the pure metal depends on its position in the reactivity series.
Metals more reactive than carbon, such as aluminium, are extracted by electrolysis, while metals less reactive than carbon, such as iron, may be extracted by reduction with carbon.
Metals are extracted from ores which are rocks found on the Earth’s crust which contain metal compounds. Different methods can be used to extract the pure metal from ores
Many objects we use in our everyday lives are made of metal. These metals are found trapped in rocks within the Earth’s crust. Mining techniques are used to extract the ore containing the desired metal. After this, the metals are extracted from the rocks. This process is known as quarrying.
Jun 8, 2022 · Useful metals are often chemically combined with other substances forming ores. A metal ore is a rock that contains enough of the metal to make it worthwhile extracting. They have to be extracted from their ores through processes such as electrolysis, using a blast furnace or by reacting with more reactive material.
High grade metal ores are rocks which contain a high percentage of metal in them; low grade ores contain only a small percentage of metal. Phytomining (phytoextraction) and bioleaching are two common biological methods which can be used to extract metals from low grade ores.
