What are the factors that govern the choice of extraction technique of – InterviewSolution

1.

What are the factors that govern the choice of extraction technique of metals?

Answer»

The choice of extraction technique is governed by the following factors.

Nature of ore
Availability and cost of reducing agent. (Generally, cheap coke is used).
Availability of hydraulic power.
Purity of metal required.
Value of by-products. For example. SO₂obtained during the roasting of sulphide ores is important for the manufacture of H₂SO₄.

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