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Which of the following is NOT an impact of acid rain
 
temperatures rising
 
forests die
 
statues dissolve
 
coral reefs bleached
Process where large hydrocarbons are broken down into smaller ones
 
cracking
 
combustion
 
air pollution
 
greenhouse effect
When the hydrocarbon change is longer, what is true?
 
the viscosity increases
 
the boiling point decreases
 
the more energy it creates
 
the density decreases
What acid is made when sulfur dioxide is mixed with water?
Sulfuric acid
Why is there sulfur in hydrocarbon fuels?
It is a contaminant
What are 2 major problems caused by incomplete combustion compared to complete combustion?
1) creating soot which creates more air pollution 2) creation of carbon monoxide gas
How does the boiling point change as the carbon number changes?
it increases because there are more London Dispersion Forces
What is the general formula for alkenes?
CnH2n
What is the difference in molecular fromula between ethane and propane?
CH2 (propane has one more carbon group)
Which fraction of petrol is collected from the top of the column?
 
gas
 
kerosene
 
bitumen
 
fuel oil
A black viscous mixture of hydrocarbons obtained naturally or as a residue from petroleum distillation. It is used for road surfacing and roofing
 
bitumen
 
coal
 
kerosene
 
petrol
Why are fossil fuels considered non-renwable?
it is being used up faster than it is being formed?
Which elements exist in hydrocarbons?
hydrogen and carbon
Which gas is made in incomplete combustion that is NOT made in complete combusion?
carbon monoxide
What is the chemical formula for alkanes?
CnH2n+2
What is the chemical formula of pentane?
C5H12
What is the chemical formula of heptane?
C7H16
Say the main 3 fossil fuels
Coal, oil and natural gas
What are the disadvantages of fossil fuels?
Is unsustainable, is incentivized, the Accident-prone.Contribute to climate change. Fossil fuels are the main driver of global warming. ... Non-renewable.
What are fossil fuels?
Fossil fuels are made from decomposing plants and animals. These fuels are found in the Earth’s crust and contain carbon and hydrogen, which are made energy
How much natural gas do we use at industries?
54%
What is natural gas?
Natural gas is a hydrocarbon mixture of light gases of natural origin. Example: methane
What is the main component of coal?
Methane or carbon
For what is coal used for? (Say 5)
Electricity Generation , Metal Production,Cement Production ,Gasification and Liquefaction, Chemical Production, Paper, Textile and Glass production
What was coal 300 million years ago?
Dead plants on a Swamp            (a plant)
What are the 3 main uses of oil?
As domestic and industrial fuel, as lubricant and as a material in the petrochemical industry
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