WJEC GCSE Chemistry metals and their extraction overview quiz quiz
15questions. Pick an answer and you'll see why right away.
Which list shows three metals in order from most reactive to least reactive?
How can metals be placed in order of reactivity using dilute acid?
What happens when iron is added to copper sulfate solution?
In a displacement reaction, which metal is displaced from its compound?
Why is gold found in the Earth as the uncombined metal?
Which metals can be extracted by reduction with carbon?
What is the main reducing agent in the blast furnace?
What is the role of limestone in the blast furnace?
Why is aluminium extracted by electrolysis rather than with carbon?
At which electrode is the metal produced during electrolysis?
Why is cryolite added to aluminium oxide before electrolysis?
Which half equation is correct for aluminium at the cathode?
What is an alloy?
Why is an alloy usually harder than the pure metal?
Which is a benefit of recycling aluminium rather than extracting new metal?