. A mineral is termed as 'ore', if (A) A metal can be economically extracted from it (B) It contains ≥ 40% metal (C) The metal present in it is costly (D) All (A), (B) and (C)

Question

. A mineral is termed as 'ore', if (A) A metal can be economically extracted from it (B) It contains ≥ 40% metal (C) The metal present in it is costly (D) All (A), (B) and (C)

. A mineral is termed as 'ore', if
(A) A metal can be economically extracted from it
(B) It contains ≥ 40% metal
(C) The metal present in it is costly
(D) All (A), (B) and (C)

asked Oct 17, 2021 by prathmesh

1 Answer

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