Flashcards
Hydrocarbons from fossil fuels
Flashcards do conjunto (18)
- 1Where do fossil fuels come from?Formed from the remains of plants and the remains of sea animals and plants that lived hundreds of millions years ago
- 2What are fossil fuels?Coal, Petroleum and natural gas
- 3What do fossil fuels contain?Hydrocarbons
- 4What are the major compositions of coal?It consists of 65% - 95% carbon.
- 5What are the major compositions of petroleum?It consists mainly of hydrocarbons.
- 6What are the major compositions of natural gas?Mathane (CH4)
- 7How did the coal form?Coal formed from the remains of plants.
- 8How did natural gas and petroleum form?They formed from the remains of sea animals.
- 9How can different fractions in petroleum be separated industrially?fractional distillation
- 10Name 4 petroleum fractions and what are the major uses of these fractions?Petrol (fuel for motor cars)
Naphtha (raw materials for production of town gas)
Diesel oil (fuel for heavy vehicles)
Bitumen (material for covering) - 11What is combustion?Combustion, a chemical reaction between substances, including oxygen and usually accompanied by the generation of heat and light in the form of flame.
- 12What are the products of combustion of fossil fuels?Carbondioxid and Water
- 13What are the major sources of air pollutants and where do they come from?(CO,CO2) Exhaust of motor cehicles
(CO2,SO2, NO2)Power plants
(SO2, NO2)Factories
(SO2, NO2)Incinerators - 14What is acid Rain?Rainwater with a pH value lower than 5.6. Cause from H2CO3, H2SO4 and HNO3
- 15What are the harmful effects of acid rain?Damaging plants
Killing aquatic life
Corroding building materials
Corroding metal objects - 16What is global warming?Greenhouse effect (Ch. 20 page 22-23)
- 17What are the harmful effects of global warming?Melting effects
Climate change
Putting the wildlife in danger - 18What are the harmful effects of oil spillage?Water pollution
blocks the oxygen supply to aquatic life
poisonous to aquatic life
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- Descrição
- All about the hydrocarbons from fossil fuels
- Criado por
- Karen Chu
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