FOSSIL FUELS
The main component of natural gas, making up roughly 90%.
What is Methane (CH4)?
Fuel is renewable when...
What is replaced naturally in a short period of time?
SI unit of energy
What is Joule (J)?
The cause of enhanced greenhouse effect.
What is warming of Earth's atmosphere due to human activities?
Hydrocarbons are made up of these two elements.
What are Hydrogen and Carbon?
Crude oil also called this...
What is Petroleum?
An example of a biofuel
What is Bioethanol, biodiesel, biogas?
The main products of complete combustion of hydrocarbons.
What are Carbon dioxide (CO2) and water (H2O)?
The gas most responsible for climate change.
What is Carbon Dioxide (CO2)?
The chemical process used to extract coal seam gas.
What is Fracking?
Name two types of fossil fuels
What are Coal, natural gas, petrol?
Fossil fuels are considered non-renewable because...
What is formation of millions of years?
The octane rating of petrol indicates fuel's resistance to...
What is knocking?
The environmental problem is caused by sulfur dioxide emissions
What is Acid rain?
The chemical composition of petroleum
What are hydrocarbons?
Coal is formed by this process over millions of years.
What is decomposition of organic matter?
This Fossil fuel is expected to run out first.
What is Crude oil?
The products of incomplete combustion.
Carbon monoxide (CO) and carbon (soot)
Fracking is controversial because...
What is contamination of water and cause earthquakes?
Petrol produces this harmful gases when burned.
What is sulfur impurities?
The purpose of fractional distillation.
What is separation of crude oil?
One advantage of biofuels over fossil fuels is production of this type of gas.
What is greenhouse gas emissions?
1 Megajoule (MJ) in Joule.
1 000 000 J
The major disadvantage of burning coal.
What is the release of high amounts of CO2 and pollutants?
The molecular formula of octane
What is C8H18?