C1 - Making polymers Flashcards
1
Q
What is a polymer?
A
A polymer is a:
- very big molecule
- very long chain molecule
- molecule made from many small molecules called monomers
2
Q
What is polymerisation?
A
Polymerisation is the joining together of many monomers to make polymers.
3
Q
What two conditions are needed for additional polymerisation?
A
- high pressure
- catalyst
4
Q
What is unsaturated?
A
When something has double bonds.
5
Q
What is saturated?
A
When something has single bonds.
6
Q
What is a hydrocarbon named according to?
A
- the number of carbon atoms it has
- whether it has a double or single bond
7
Q
What us the test for a double bond?
A
When an alkene is added to bromine water, it goes colourless.
8
Q
What is the general formula for an alkane?
A
CnH2n+2
9
Q
What is the general formula for an alkene?
A
CnH2n