The raw material for aluminium.
Mica
Bauxite
Limestone
Coal
Placer deposit is also called
Alluvial deposits
Evaporation
Open cast mining
None of these
The energy of modern world.
Atomic energy
Hydro electricity
Thermal electricity
Wind
Depending on carbon contents & amount of heat energy it can produce, coal is classified into
Two types
Three types
Six types
Five types
Low grade coal
Lignite
Bituminous
Athracite
The largest manganese producing state of India
Orisa
Karnataka
Madhya Pradesh
Kerala
An example of non-metallic mineral
Aluminium
Cobalt
Manganese
A heaviest mineral
Tin
Copper
Uranium
Orissa is the largest producer of ____________ ores in India.
Haematite
Limonite
The major source used for power generation in India is
Nickel
Firewood
