Producing and Recycling Metals (VCE SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which metals are found naturally in their pure elemental state?
Which metals are found naturally in their pure elemental state?
Platinum and gold
Which extraction method is used for the most reactive metals like aluminium?
Which extraction method is used for the most reactive metals like aluminium?
Electrolysis
What is the main advantage of in-situ leaching as a mining method?
What is the main advantage of in-situ leaching as a mining method?
Avoids conventional mining costs
What percentage of total global energy supply does the metal production industry use?
What percentage of total global energy supply does the metal production industry use?
8%
What is a circular economy designed to minimise?
What is a circular economy designed to minimise?
Waste, pollution & biodiversity loss
Which metal has the highest energy saving when recycled compared to ore extraction?
Which metal has the highest energy saving when recycled compared to ore extraction?
Aluminium at 95%
What property allows ferrous scrap metal to be easily separated from mixed waste?
What property allows ferrous scrap metal to be easily separated from mixed waste?
It is magnetic
What percentage of new aluminium products are made from recycled aluminium globally?
What percentage of new aluminium products are made from recycled aluminium globally?
50%
How does gold content in computer circuit boards compare to gold content in ores?
How does gold content in computer circuit boards compare to gold content in ores?
200 g t vs less than 10 g t
What percentage of global greenhouse gas emissions comes from iron and steel production?
What percentage of global greenhouse gas emissions comes from iron and steel production?
Nearly 10%