Extraction of Metals & Reduction (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are naturally occurring metal compounds called?
What are naturally occurring metal compounds called?
Ores
In what chemical form are most metals found in nature?
In what chemical form are most metals found in nature?
Oxides
What process removes oxygen from metal oxides during extraction?
What process removes oxygen from metal oxides during extraction?
Reduction
Which metals can be extracted by heating their oxides with carbon?
Which metals can be extracted by heating their oxides with carbon?
Metals less reactive than carbon
What is the name of the process of heating metal oxides with carbon?
What is the name of the process of heating metal oxides with carbon?
Smelting
What gas is produced when iron oxide reacts with carbon in extraction?
What gas is produced when iron oxide reacts with carbon in extraction?
Carbon dioxide
Which extraction method is used for metals more reactive than carbon?
Which extraction method is used for metals more reactive than carbon?
Electrolysis
Why is electrolysis more expensive than carbon reduction?
Why is electrolysis more expensive than carbon reduction?
It is energy-intensive
Where are metals positioned if they require electrolysis for extraction?
Where are metals positioned if they require electrolysis for extraction?
Above carbon in Reactivity Series
Which metal is an example of a native metal?
Which metal is an example of a native metal?
Gold
Why do native metals require no chemical reduction for extraction?
Why do native metals require no chemical reduction for extraction?
Found in pure form in nature
Which extraction method is more cost-effective?
Which extraction method is more cost-effective?
Carbon reduction