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Extremely Hard Science Quiz Even Einstein would scratch his head!
What name is given to a substance which reacts with an acid to form a salt plus water?
Skathi is a moon of which planet?
Which planet is referred to as being Cronian?
When was the element hassium discovered?
Most jellyfish live less than how long?
Which of these does not use plasma?
A 'buckyball' is an allotrope of which element ?
Ananke moons can be found orbiting which planet?
What is the second most abundant element in the Universe?
In what era did dinosaurs live?
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Extremely Hard History Quiz, most people score only 3 out of 10.
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Do you remember the 50s?
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Very hard geography quiz, can you get more than 5 correct?