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Extremely Hard Science Quiz Even Einstein would scratch his head!
Question 1
What is the most abundant pure element in the Earth's atmosphere?
Question 2
About how many stars are in the Milky Way?
Question 3
Which of these have a positive charge?
Question 4
Which planet is known as The Bringer of Old Age?
Question 5
The first technical submarine was built in Germany in which year?
Question 6
Epoch J2000 refers to which planet?
Question 7
Which of these metals can be added to gold to make 'white gold'?
Question 8
What is the pH value of washing soda?
Question 9
What name is given to a substance which reacts with an acid to form a salt plus water?
Question 10
Which planet shares its name with a popular chocolate bar?
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