WebCombustion of hydrocarbon fuels Most fuels contain carbon and/or hydrogen. When hydrogen atoms are present in a fuel, they are oxidised to water. Water is not a pollutant. When there are lots of... WebHydrocarbons. are compounds. that contain hydrogen and carbon atoms. only. Crude oil It is the remains of organisms that lived and died millions of years ago - mainly plankton …
Crude oil, hydrocarbons and alkanes - AQA - BBC Bitesize
WebSmall hydrocarbon molecules have weak intermolecular forces, so they have low boiling points. They do not condense, but leave the column as gases. Long hydrocarbon … WebLearn how human activity is polluting the atmosphere with Bitesize GCSE Combined Science (AQA). Homepage. Accessibility links. ... Unburned hydrocarbons: Hydrocarbon fuel molecules which have not ... solar power is the future
Fuels and hydrocarbons - National 4 Chemistry Revision - BBC Bitesize
Webhydrocarbons, because they are compounds containing hydrogen and carbon only unsaturated, because they contain a C=C double bond The C=C bond is the functional group in the alkenes. It is... Web1. Salty water is heated Fractional distillation Fractional distillation is used to separate different liquids from a mixture of liquids. It is useful for separating ethanol from a mixture of... WebThe hydrocarbons in different fractions differ in these properties. For example, the bitumen fraction contains hydrocarbons with more than 35 carbon atoms. These have boiling points well above... solar power installers scotland