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Extremely Hard Science Quiz Even Einstein would scratch his head!

Question 1

What is the pH value of apple juice?

Question 2

What happens to iron oxide in a blast furnace?

Question 3

The sea creature named 'Slippery Dick' is a what?

Question 4

In an element the number of protons is equal to the number of what?

Question 5

About how many stars are in the Milky Way?

Question 6

Which planet takes 29 Earth years to orbit the Sun?

Question 7

Which planet has a moon named Amalthea?

Question 8

In 1631 Pierre Gassendi made the first telescopic observation of which planet?

Question 9

The Japanese Spider Crab can grow to what length?

Question 10

How many times hotter than the sun is a lightning bolt?