What is petroleum? Where does it …
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Meghna Thapar 5 years, 10 months ago
Petroleum is a dark coloured, thick crude oil found deep below the ground in certain areas. It has an unpleasant smell.
Petroleum is extracted by drilling holes (called oil wells) in the earth’s crust. The world’s first oil well was drilled in Pennsylvania, USA, in 1859. Eight years later, in 1867, oil was struck at Makum in Assam. In India, oil is found in Assam, Gujarat, Mumbai High and in the river basins of Godavari and Krishna.
Petroleum is a mixture of various constituents such as petroleum gas, petrol, diesel, lubricating oil, paraffin wax, etc. The process of separating the various constituents or fractions of petroleum is known as refining. It is carried out in a petroleum refinery. The separation of petroleum into different fractions is done by the process of fractional distillation.
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