A:B: Mixture of elementsCompound of elements $100 What is an alloy? C:D: Mixture of elements, one of them a metal Compound of elements, one of them a metal
Excellent!Excellent!
Unlucky!Unlucky! That’s incorrect
A:B: They are too softThey are too hard $200 What is the problem with many pure metals? C:: They are too brittleThey are too reactive
Excellent!Excellent!
SorrySorry That’s incorrect …
A:B: More soft More reactive $300 Adding impurities to metal makes it…..? C:D: More pure More hard
FantasticFantastic
Oh dear! That’s incorrect …
A:B: Copper and zincAluminium and titanium $500 Brass is an alloy of? C:D: Iron and carbonMercury and tin
BrilliantBrilliant
SorrySorry That’s incorrect …
A:B: It is always native $1,000 Why have we known how to extract copper for many centuries? C:D: It can’t be reduced It is reactive It is not very reactive
Well done!
Unlucky!Unlucky!
A:B: C:D: They are strong and light They are strong and heavy They are easy to extract They are cheap to make $2,000 Why are aluminum and titanium useful?
Super!Super!
Oh no! That’s incorrect !…
A:B: ReductionDisplacement $4,000 Reactive metals need to be separated from their ores using? C:D: ElectrolysisOxidation
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IncorrectIncorrect So near and yet so far!
A:B: They are unreactive They are reactive $8,000 Why don’t aluminum and titanium corrode easily? C:D: They form a protective oxide coating They are alloys
Very good!
Sorry!Sorry! That’s incorrect …
A:B: The ores have got to be melted first $16,000 Which is not true for electrolysis? C:D: It uses a lot of energy The ores must have impurities removed It is cheap
Very good!
UnluckyUnlucky That’s incorrect …
Digestion A:B: They both involve reduction $32,000 Which is a not problem with extracting aluminum and titanium? C:D: They are expensive DigestionThey involve many stages They use a lot of energy
Brilliant!Brilliant!
Unfortunately…Unfortunately… That’s incorrect !
A:B: Alkali metalsAlkaline earth metals $64,000 Which part of the periodic table to we find most of the useful metals? C:D: Transition metalsMagnetic metals
Well done!
I’m sorry That’s incorrect …
A:B: DisplacementReduction $125,000 How is titanium actually separated from its ore? C:D: SmeltingElectrolysis
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IncorrectIncorrect You should have got that one!
A:B: MalachiteLoadstone $250,000 What is aluminum ore called? C:D: HaematiteBauxite
Excellent!Excellent!
Wrong Choice! That’s incorrect …
A:B: They aren’t very reactive They are rare $500,000 Why were certain metals discovered fairly recently? C:D: There can only be extracted with electrolysis They are buried deep underground
Very Good!
Sorry!Sorry! That’s incorrect …
A:B: $ 1,000,000 What does ductile mean? C:D: Can be drawn into wires Can be shaped easily Hard Brittle
Fantastic!Fantastic!
UnluckyUnlucky You were nearly a millionai re!
Thank you for playing! Thank you for playing! Thank you for playing!