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Extremely Hard Science Quiz Even Einstein would scratch his head!
In 1631 Pierre Gassendi made the first telescopic observation of which planet?
Which of these is NOT an organic compound?
What is the pH value of seawater?
Which of these is defined as a chemical substance that consists of just one type of atom?
Approximately how many shipwrecks lie on the bottom of the world's oceans?
In physics, the turning effect of a force is called the what?
What type of wave is sound?
What colour is the mineral beryl when it contains chromium?
The African and Sumatran species have two horns; the Indian and Javan species have just one. What animals are we discussing?
The Rainbow fish tends to hail from where?
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Extremely Hard History Quiz, most people score only 3 out of 10.
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Do you know who these famous people from the 60s and 70s are?
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Everybody likes music, but how much do you know about it?