C2 - Making cars Flashcards
1
Q
What is needed for rust?
A
Oxygen and water.
2
Q
What is addition of oxygen?
A
Oxidation.
3
Q
What is corrosion?
A
Corrosion is the rusting of metal.
4
Q
How is painting a car protecting it from rusting?
A
It prevents oxygen getting to it.
5
Q
What is the chemical name for rust?
A
Hydrated Iron 111 Oxide
6
Q
What is the word equation for rust?
A
Iron + water + oxygen = hydrated iron 111 oxide
7
Q
What are the main materials used in cars?
A
- metal and alloys
- plastic
- glass
8
Q
How would you separator a mixture of iron fillings and aluminum powder?
A
Separate it using a magnet to attract the iron.
9
Q
What are the benefits to recycling car parts?
A
- more recycling of metals means that less metal ore needs to be mined
- recycling of iron and aluminum saves money
- less crude oil is being used to make plastics
- recycling batteries reduces toxic materials into the environment
10
Q
What are the advantages to making cars with aluminum?
A
- it does not corrode so the car body will last longer
- it is lighter than steel so has a better fuel economy
