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Extremely Hard Science Quiz Even Einstein would scratch his head!
Pan is a moon of which planet?
What is the pH value of apple juice?
Which of these metals can be added to gold to make 'white gold'?
What is the smallest species of seal called?
Which two elements combine to make ammonia?
The pearl is the birthstone for which star sign?
The Titanic was sunk by what?
Which of the following is not a greenhouse gas?
Dione is a moon of which planet?
In physics, what property of an object is calculated by its mass times its velocity?
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