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Extremely Hard Science Quiz Even Einstein would scratch his head!
CO2 is the chemical formula for which gas?
In chemistry, what is the island of stability?
Which of these surfaces is reflective?
The tongue of the Blue Whale weighs as much as what?
Dogs' unique relationship with humans mean they are referred to as man's best what?
The Cassini-Huygens probe was sent to visit which planet?
Which of these is NOT an organic compound?
Which of these elements' chemical symbols comes first alphabetically?
How many times hotter than the sun is a lightning bolt?
Which planet has a moon named Amalthea?
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