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C1.3 metals Flashcards | StudBud
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C1.3 metals
C1.3 metals
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C1.3 metals revision
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
How are metals above carbon in the reactivity series extracted?
Displacement
reduction with carbon
Electrolysis
Electricity
2
Why are titanium and aluminium useful metals?
Heavy and corrosion resistance
Expensive and dense
Corrosion resistant and low density
Expensive and corrosion resistant
3
Why should metals be recycled?
Makes jobs in the mining industry
Improves local business
Less expensive in terms of energy
Saves limited resources
4
What is an ore?
A rock that is mined
Rock containing enough metal to extract
A metal containing a rock
Mining
5
Which type of steel is easily shaped?
High carbon steel
Low carbon steel
6
Which of these is NOT an alloy?
Stainless steel
Low carbon steel
High carbon steel
Iron
7
What is steel an alloy of?
Iron and carbon
Iron and steel
Iron and cobalt
Iron and copper
8
Why are metals such as gold found as a native metal and not in an ore?
They are reactive
They are unreactive
They are expensive
They are malleable
9
How are metals below carbon in the reactivity series extracted?
Reduction with carbon
Displacement
Electricity
Electrolysis
10
What are elements in the central block called?
Central group
Actinides
Lanthanides
Transition
11
Which ions move to the negative electrode in electrolysis?
neutral
positive
negative
neither
12
Why does carbon displace iron from iron oxide?
It is less reactive
It is a reduction
It is more reactive
It is an oxidation
13
What is stainless steel?
A corrosion resistant alloy of steel
A corrosion resistant low carbon steel
A corrosion resistant high carbon steel
14
Why are alloys not malleable?
The layers of atoms can slide over eachother
The atoms are arranged in layers
The atoms are all the same size
The layers of atoms cannot slide over eachother
15
How is iron extracted?
Electrolysis
Blast furnace
Phytomining
Bioleacing
16
Two ways of extracting copper from HIGH grade ores
Displacement and smelting
Displacement and phytomining
Smelting and bioloeaching
Phytomining and bioleaching
17
Two ways of extracting copper from LOW grade ores
Displacement and phytomining
smelting and phytomining
phytomining and bioleaching
Displacement and smelting
18
What is this a diagram of?
A non-metal
A metal
A transition metal
An alloy
19
Why is extracting aluminium and titanium expensive?
There are many stages in the process
There are many stages adn lots of energy is needed
Lots of energy is needed
Lots of electricity is needed
20
What properties of copper make it good for wiring?
Good conductor of heat
Unreactive
Brittle
Good conductor of electricity
