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Extremely Hard Science Quiz Even Einstein would scratch his head!

Question 1

Rhea is a moon of which planet?

Question 2

Which of these is NOT an organic compound?

Question 3

What is the most abundant pure element in the Earth's atmosphere?

Question 4

Hematite makes up the surface of which planet?

Question 5

When atoms join together what do they form?

Question 6

CO2 is the chemical formula for which gas?

Question 7

What percentage of marine fish species inhabit coral reefs?

Question 8

The angle of reflection is equal to the angle of what?

Question 9

Which plant is orbited by the moon of Proteus?

Question 10

The solid state of water is known as what?