Nepheline is igneous in origin which is rich in
A. Ca & Mg
B. Na & K
C. P & N
D. Fe & Mn
Answer: Option B
Solution (By Examveda Team)
Nepheline is a rock-forming mineral in the feldspathoid group-a silica-undersaturated aluminosilicate that occurs in intrusive and volcanic rocks with low silica and in their associated pegmatites.Nepheline is igneous in origin and is rich in Na & K.
It is used in glass and ceramic manufacturing and other industries.
This Question Belongs to Agriculture >> Soil Science
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