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Chemistry
All ores are minerals, while all minerals are not ores, because
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Q. All ores are minerals, while all minerals are not ores, because
Manipal
Manipal 2019
A
the metal cannot be extracted economically from all the minerals
B
minerals are complex compounds
C
the minerals are obtained from mines
D
All of these are correct
Solution:
For extraction of metal only those minerals are used (ores) for which the process is economic.