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Where is crude oil found?
it is derived from an ancient biomas found in rocks.many useful materials can be made from crude oil.
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What are biofuels made from?
They are made from plant material.
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How is bioethanol made?
By sugar canes, wheat and other plants.
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Is bioethanol a hydrocarbon?
No, this is because it contains oxygen as well as hydrogen and carbon.
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Can you name an environmental factor of using crude oils as fuels?
if the oil is spilled when it is being extracted it can cause harm to the surrounding environent.
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What is crude oil?
It is a mixture of a very large number of compounds.
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What is a mixture?
A mixture consists of two or more elements or compounds that are not chemically bonded.
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What are most of the compounds in crude oils made up of?
Carbon and hydrogen atoms (Hydrocarbons).
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What is the general formula for an Alcene?
CnH2n.
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What is the general formula for an Alcane?
CnH2n+2.
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What is the formula for Butane?
C4H10.
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What does a - mean in terms of bonding?
A single bond
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What does a = mean in terms of bonding?
A double bond.
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What does viscosity mean?
The thickness of a mixture.
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What solid is produced when crude oils are burned which contains carbon?
Soot is made.
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Other cards in this set

Card 2

Front

What are biofuels made from?

Back

They are made from plant material.

Card 3

Front

How is bioethanol made?

Back

Preview of the front of card 3

Card 4

Front

Is bioethanol a hydrocarbon?

Back

Preview of the front of card 4

Card 5

Front

Can you name an environmental factor of using crude oils as fuels?

Back

Preview of the front of card 5
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