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At a site, low grade copper ores are ava...

At a site, low grade copper ores are available and zinc and iron scraps are also available. Which of the two scraps would be more suitable for reducing the leached copper ore and why?

Text Solution

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Since zinc lies above iron in electrochemical series, it is more reactive than iron. As a result, if zinc scraps are used, the reduction will be fast. However, zinc is a costlier metal than iron. Therefore, it will be advisable and advantageous to use iron scraps.
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