Polymorphs of carbon is
A. None
B. Cock and Charcoal
C. Petrolium and Coal
D. Graphite and Diamond
Answer: Option D
Related Questions on Mining Geology
On the basis of which content the igneous rocks are classified as acid rocks and basic rocks?
A. Magnetite
B. Hematite
C. Bauxite
D. Silica
Origin of Solar System divided in two groups, which are
A. Evolutionary and catastrophic
B. Nebula and gaseous tidal hypo
C. Jeansand Jeffires
D. A and B both
A. Attrition
B. Deflation
C. Denudation
D. Mantle
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