Edexcel C1 Topic 4
Home > Preview
The flashcards below were created by user
on FreezingBlue Flashcards.
What is the definition of an ore?
A rock from which metal can be extractedextracted
What does oxidation mean?
What does reduction mean?
The loss of oxygen
Which method is used to extract Iron and why?
Heating with carbon because it is less reactive than carbon
Which method is used to extract aluminium and why?
Electrolysis because it is more reactive than carbon
Give the property of aluminium that makes it good for aircrafts
Give the property of copper that makes it good for electrical wiring
A good electrical conductor
Give the property of gold which makes it good for jewellery
It doesn't react
Give the property of copper that makes it good for plumbing
It is unread riveunread rive
What is the definition of an alloy?
A mixture of metals
Why are pure metals soft?
The atoms are the same size, they are arranged in layers and can slide over each other easily
Why are alloys hard?
The atoms are different sizes, the layers are distorted and they cannot slide over each other easily
What is a smart alloy?
An alloy which returns to its original shape on heating
Why should we recycle metals?
- Conserves the metal ore
- Less waste so landfill does not fill up as quick
- Uses less energy
What would you like to do?
Home > Flashcards > Print Preview