Alternative Methods of Extracting Metals (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
Why is copper widely used in electronics?
Why is copper widely used in electronics?
Excellent electrical conductivity
What type of resource is copper described as?
What type of resource is copper described as?
Finite natural resource
What type of ores are phytomining and bioleaching used to extract copper from?
What type of ores are phytomining and bioleaching used to extract copper from?
Low-grade ores
What does phytomining use to extract copper from soil?
What does phytomining use to extract copper from soil?
Plants
In phytomining, what does the ash from burnt plants contain?
In phytomining, what does the ash from burnt plants contain?
Higher concentration of copper compounds
What environmental advantage does phytomining have?
What environmental advantage does phytomining have?
Reduces carbon emissions
What is a disadvantage of phytomining?
What is a disadvantage of phytomining?
Slow process requiring time for growth
What does bioleaching use to extract copper ions?
What does bioleaching use to extract copper ions?
Bacteria
What is the solution rich in copper ions produced by bioleaching called?
What is the solution rich in copper ions produced by bioleaching called?
Leachate
What environmental advantage does bioleaching have?
What environmental advantage does bioleaching have?
Produces no carbon emissions
In electrolysis, where are positively charged copper ions attracted?
In electrolysis, where are positively charged copper ions attracted?
Negative electrode
Why is iron used to displace copper from copper compounds?
Why is iron used to displace copper from copper compounds?
Iron is more reactive than copper