JEE Main Chemistry question

Chemistry General Principles and Processes of Isolation of Elements (Metallurgy)JEE Main

Not in JEE Main or NEET syllabus

All ores are minerals, while all minerals are not ores because

(A)Minerals are complex compounds
(B)The minerals are obtained from mines
(C)The metal cannot be extracted economically from all the mineralsCorrect
(D)All of the above are correct

Answer: (C)

Solution

A mineral becomes an ore only when the metal can be extracted from it conveniently and profitably; many minerals contain the metal in too low a concentration

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Question ID VK-145206