The best variety of iron ore
Hematite
Magnetite
Limonite
Anthracite
Orissa is the largest producer of ____________ ores in India.
Haematite
Manganese
Copper
Minerals is jet black in colour and shining
Lignite
Bituminous
Limestone
The energy of modern world.
Atomic energy
Hydro electricity
Thermal electricity
Wind
The major power producing corporation in India
National Hydroelectric Power Corporation (NHPC)
North - Eastern Electric Power Corporation (NEEPC)
Power Grid Corporation of India Limited (PGCIL)
National Thermal Power Corporation (NTPC)
Placer deposit is also called
Alluvial deposits
Evaporation
Open cast mining
None of these
Coal is type of .
Metamorphic rocks
Igneous rocks
Sedimentary rocks
None of the above
The rocks composed of calcium carbonates
Bauxite
Iron
Tthe hardest mineral
Talc
Diamond
Low grade coal
Athracite