Sources and origins (AQA GCSE Design and Technology): Quizzes
📚Quizzes
Practise the questions
14 questions from this quiz
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Practise the questions
14 questions from this quiz
What defines a ferrous metal?
What defines a ferrous metal?
It contains iron
What are alloys?
What are alloys?
Mixtures of 2+ metallic elements
Why is steel stronger than pure iron?
Why is steel stronger than pure iron?
Steel is an alloy with better properties
Where are metals naturally found?
Where are metals naturally found?
Within ores
Which ores does iron come from?
Which ores does iron come from?
Magnetite and hematite
From which ore is aluminium extracted?
From which ore is aluminium extracted?
Bauxite
What determines the metal extraction method?
What determines the metal extraction method?
The metal's reactivity
Which metals can be extracted using carbon reduction?
Which metals can be extracted using carbon reduction?
Zinc, iron, and tin
Why does carbon reduction work for iron?
Why does carbon reduction work for iron?
Carbon is more reactive than iron
At what temperature does iron extraction occur?
At what temperature does iron extraction occur?
2000°C
What is limestone's role in iron extraction?
What is limestone's role in iron extraction?
Eliminates acidic impurities
Why does aluminium require electrolysis?
Why does aluminium require electrolysis?
It holds oxygen stronger than carbon
What is cryolite's role in aluminium extraction?
What is cryolite's role in aluminium extraction?
Dissolves aluminium oxide effectively
Where does aluminium collect during electrolysis?
Where does aluminium collect during electrolysis?
At the negative cathode