MEDIUMMCQ SINGLEJEE Advanced ChemistryInorganic ChemistryMetallurgyPrevious Year Questions
Identify the incorrect statement. (Odisha NEET 2019)
A.The scientific and technological process used for
B.Minerals are naturally occurring chemical
C.Ores are minerals that may contain a metal.
D.Gangue is an ore contaminated with undesired✓ Correct
Explanation
An ore rarely contains only a desired substance. It is usually contaminated with earthly or undesired materials known as gangue.
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