Wastes that are generated during the entire mining process i.e. extraction, beneficiation and processing are called ___________.
A
Mining wastes
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B
Cement wastes
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C
Construction wastes
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D
Oil refinery wastes
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Solution
The correct option is A Mining wastes During mining, extraction of minerals from rocks generates waste. In this process waste minerals are also generated. It is followed by benefaction wherein the mineral obtained is washed, crystallized etc to separate out the finer waste that comes along. After this, the mineral is chemically treated such that the waste obtained after the process is much different from the waste that entered the system.