MINERAL AND ENERGY RESOURCES IN INDIA
MINERALS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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One of the following is NOT a process to extract minerals
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Mining
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Drilling
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Fencing
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Quarrying
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Explanation:
Detailed explanation-1: -Smelting is not a method used for concentration of ores.
Detailed explanation-2: -Leaching is not involved in extraction as leaching is required for hydrometallurgy or to purify or concentrate ore for electrolytic reduction.
Detailed explanation-3: -Several processes, different for each metal like roasting and reduction are done to get the pure metal from it’s combined state like sulphides or oxides. However, corrosion is not a step in the extraction of ore.
Detailed explanation-4: -Underground mining. Surface (open pit) mining. Placer mining.
There is 1 question to complete.