Which is the most abundantly available fossil fuel in India?
Petroleum
Biogas
Coal
Firewood
Heat energy obtained from the Earth is called
Wind energy
Tidal energy
Geothermal energy
Solar energy
Which is the chief ore of aluminium?
Bauxite
Gold
Zinc
Which one of the following has a low carbon and high moisture contents and low heating capacity?
Lignite
Bituminous
Peat
Which of the following minerals is indispensable for electric and electronic industries?
Manganese
Mica
Iron
Nickel
Which one of the following mineral ores is formed by decomposition of rocks, leaving a residual mass of weathered materials?
Which refineries act as a 'nodal industry'?
Natural gas
Name the iron ore which is most abundant in India.
Limonite
Magnetite
Haematite
Anthracite
The highest quality of hard coal is
Magnesium
Which is the main source of power generation in India?
Fire wood
