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Extremely Hard Science Quiz Even Einstein would scratch his head!
Question 1
What is Hg the chemical symbol for?
Question 2
What happens to iron oxide in a blast furnace?
Question 3
What is the atomic mass of oxygen?
Question 4
The solid state of water is known as what?
Question 5
In 1693 Giovanni Zupi observed that which planet actually orbited the sun?
Question 6
In degrees Celsius, at what temperature does the sea start to freeze?
Question 7
Which of these surfaces is reflective?
Question 8
What is the most common injury when scuba diving?
Question 9
What is the atomic number for magnesium?
Question 10
Which planet shares its name with a popular chocolate bar?
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