Q: Which one of the following is a non-metallic mineral?
(a)Iron
(b)Mica
(c)Copper
(d)Bauxite
Correct Answer: (b)
The correct answer is (a) 'लौह'. This question from the General Studies domain tests knowledge of Miscellaneous.
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NDA 2019 Session IIGeneralQ. 101 of 138