Which one of the following is a soft and brownish variety of coal?
Anthracite
Magnetite
Haematite
Lignite
Electricity generated by burning fossil fuels is called
Tidal electricity
Hydro-electricity
Nuclear energy
Thermal electricity
Which mineral belongs to the category of non ferrous minerals?
Copper
Manganese
Iron ore
Mica
Which is the prime source of energy in the manufacturing of iron and steel?
Petroleum
Coal
Natural gas
Biogas
Heat energy obtained from the Earth is called
Wind energy
Tidal energy
Geothermal energy
Solar energy
Which one of the following has a low carbon and high moisture contents and low heating capacity?
Bauxite
Bituminous
Peat
Which is an important clean energy resource found in association with or without petroleum?
Which is the most abundantly available fossil fuel in India?
Firewood
Which one of the following types of coal is most popular for commercial use?
Which is considered to be an environment friendly fuel?
