Question

15.This step is involved in the
extraction of a pure metal from its
ore-
O a)concentration of ore
b)reduction
O c)refining
O d)all of these​

Answer 1

Answer:

Refining

Explanation:

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Answer 2

Answer:

(d) all of these

Explanation:

Reduction is very necessary while the extraction of a pure metal from its ore after that concentration of its ore is done to make it look lustor and last but not the least at last refining is done to make it well fine to be ambres.