Question

write the different fractions of petroleum

Answer 1

Name Molecular formula Characteristics Uses   Asphalt   C30H62-C60H122 Black sticky semi solid, which is a mixture of hydrocarbons. Non volatile For making roadsDamp proofing foundations of buildings. Coating the underside of electric poles. Paraffin wax C20H42-C30H62 White semi solids containing a mixture of hydrocarbons like wax, grease, Vaseline. For making Vaseline ointments, candles, wax paper, match sticks, creams, cosmetics, etc.Used as grease. Lubricating oil C17H36-C20H42 A thick viscous liquid- a mixture of hydrocarbons. Used for lubricating machines. Fuel oil C13H28-C15H22 Mixture of hydrocarbons with varying boiling points. Used to run heavy vehicles like buses, trucks, tractors.Used to run engines for lifting water for fields.Used to run generators for providing electricity. Kerosene Oil C10H22-C12H26 A mixture of hydrocarbons having variable boiling points. Used as household fuels in wick, pressure stoves.Illuminant in lanterns, petromax lamps etc. Gasoline/petrol C5H12-C9H20 Mixture of hydrocarbons having variable boiling points. Used as fuel for light vehicles like scooters, cars etcUsed as a dry cleaning fluid.Used for petrol gas commonly used in labs. Petroleum gas CH4-C4H10 Mixture of hydrocarbons having boiling points lower than 40 deg C. Petrol gas is liquefied under pressure and marketed in steel cylinders. This is commonly called LPG and used as a household fuel. Used in the manufacture of petrol polymerization. Cracked to form carbon-used in tire industry and hydrogen – used in manufacture of nitrogenous fertilizers.