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Extremely Hard Science Quiz Even Einstein would scratch his head!

Question 1

What type of wave is sound?

Question 2

Which planet is referred to as being Cronian?

Question 3

How many electrons does carbon have in its outer shell?

Question 4

Which of these metals can be added to gold to make 'white gold'?

Question 5

Which sea does the European Eel spawn?

Question 6

How many types of sea urchin are there?

Question 7

What is the pH value of apple juice?

Question 8

What colour is the mineral beryl when it contains chromium?

Question 9

Which of these is defined as a chemical substance that consists of just one type of atom?

Question 10

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

This trivia quiz is for entertainment only.
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