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Extremely Hard Science Quiz Even Einstein would scratch his head!
What is the pH value of seawater?
Pan is a moon of which planet?
What colour is the mineral beryl when it contains chromium?
Telesto is a moon of which planet?
In an element the number of protons is equal to the number of what?
Which famous scientist first theorized the existence of photons?
CO2 is the chemical formula for which gas?
What percentage of marine fish species inhabit coral reefs?
Which waves can be transverse or longitudinal?
The first technical submarine was built in Germany in which year?
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