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Extremely Hard Science Quiz Even Einstein would scratch his head!
Question 1
The angle of reflection is equal to the angle of what?
Question 2
Which of these metals can be added to gold to make 'white gold'?
Question 3
The Cassini-Huygens probe was sent to visit which planet?
Question 4
What is Hg the chemical symbol for?
Question 5
The 'Russian Wreck' lies in which sea?
Question 6
Which two elements combine to make ammonia?
Question 7
What is the pH value of washing soda?
Question 8
About how many stars are in the Milky Way?
Question 9
What type of ocean water is more dense?
Question 10
What is the most abundant pure element in the Earth's atmosphere?
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