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Extremely Hard Science Quiz Even Einstein would scratch his head!
Which of these is defined as a chemical substance that consists of just one type of atom?
Dione is a moon of which planet?
Amazonis Planum is a period of which planets history?
What must an element readily gain or lose in order to be classed as 'reactive'?
If you press Control and the letter V while using a Windows application, what will happen?
How many types of sea urchin are there?
What is the pH value of apple juice?
A particle whose substructure is unknown is called a what?
How many moons orbit Mars?
Which number group in the Periodic Table contains oxygen?
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