The best quality of iron ore is
Haematite
Magnetite
Siderite
Pyrite
Which is the most abundantly available fossil fuel in India?
Petroleum
Biogas
Coal
Firewood
Which is considered to be an environment friendly fuel?
Peat
Natural gas
Which one of the following types of coal is most popular for commercial use?
Anthracite
Lignite
Bituminous
Which one of the following mineral ores is formed by decomposition of rocks, leaving a residual mass of weathered materials?
Bauxite
Gold
Zinc
Which of the following minerals is indispensable for electric and electronic industries?
Manganese
Mica
Iron
Nickel
Which is referred to as buried Sunshine?
Copper
Which one of the following has a low carbon and high moisture contents and low heating capacity?
Which is the finest quality of iron ore with magnetite qualities?
Limonite
Which is the chief ore of aluminium?
