What is crude oil?

What is a mixture?

What is a hydrocarbon?

A fractional distillation column.

What is a fraction of crude oil?

Describe how crude oil is separated?

What is an alkane (formula) and what is it made up of?

What does saturated mean?

What type of bonding holds atoms together in alkanes?

What does viscosity mean?

What does volatility mean?

What does flammability mean?

What are the properties of short chain alkanes?

What are the properties of long chain alkanes?

The alkanes.

Which of the alkanes are gases at room temperature (20°c)?

Why does an increase in the number of carbon atoms increase the boiling point of an alkane?

What elements do fuels contain?

What does combustion mean?

What three elements is needed for combustion?

What type of chemical reaction is combustion?

The apparatus to test the products of combustion.

What is the purpose of the upside down funnel?

What is the purpose of the suction pump?

What is the purpose of the iced water?

What is the purpose of the iced water?

If the limewater goes cloudy what does this tell you?

If the limewater goes cloudy what does this tell you?

When is there complete combustion?

When is there complete combustion?

What are the products of complete combustion?

When is the incomplete combustion?

What are the products of incomplete combustion?

Example questions on combustion with methane (CH4)

Products of combustion.

How is carbon dioxide produced and what are the problems and solutions of it?

How is water (vapour) produced?

How is carbon monoxide produced and what are the problems and solutions of it?

How is solid carbon particles (soot) produced and what are the problems and solutions of it?

How is solid particles of unburnt fuel produced and what are the problems and solutions of it?

How is sulphur dioxide produced and what are the problems and solutions of it?

How is oxides of nitrogen produced and what are the problems and solutions of it?

Nitrogen and oxygen are found naturally in the air and dont usually react together. Why do they react together in a car engine?

Why is cracking of hydrocarbons carried out?

How are hydrocarbons cracked by catalytic cracking?

How are hydrocarbons cracked by steam?

What type of reaction is cracking Hydrocarbons?

What are the products of cracking?
what are they used for?

Why is heating needed to crack hydrocarbons?

What does the flammability test indicate?

What does the bromine water test indicate?

The Alkenes

The properties of Alkanes.

The properties of Alkenes.

Polymerisation.

What are polymers and what are they made from?

What is a monomer?

How are monomers and polymers different?

Describe what happens in polymerisation.

Why can alkenes be used as monomers?

Monomers are usually gases or liquids at room tempreture but polymers are solids. Explain why in terms of structure and bonding.

Equations for additional polymers.

What two things can be changed to make polymers with different properties?

What are the differences between low/high density poly(ethene)?

Why are plastic buckets not made from low density poly (ethene)?

Why is cling film not made from high density poly (ethene)?

High and low density poly(ethene) are made from ethene monomers. Why do they have different properties?

Thermosoftening and thermosetting polymers.

Thermosoftening polymers?

Thermosetting polymers?

How could you test a polymer to see if it is thermosetting or thermosoftening?

What does biodegradable mean?

What are biodegradable polymers?