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Science Quiz with Challenging Difficulty.
Question 1 of 10
A unit of measure of absorbed radiation is known as what?
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Question 2 of 10
What is a sudden violent explosion on the sun called?
Question 3 of 10
Patented in 1816 by Johann Nepomuk Maelzel, who would use a metronome today?
Question 4 of 10
The Devonian period, the fourth division of the Paleozoic Era, is named for Devonshire, which is found in what country, where that period's sedimentary rocks were first studied in the 1830s?
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Question 5 of 10
In 2010, the phrase "I have your yokel" helped newscasters remember the pronunciation of a volcano that disrupted air travel after erupting in what country?
Question 6 of 10
If a substance is described as anhydrous, what does this mean?
Question 7 of 10
HCl is what sort of compound?
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Question 8 of 10
What colourless, odourless substance is the main constituent of natural gas?
Question 9 of 10
German physicist William Roentgen discovered what in 1895?
Question 10 of 10
Asbestos, feldspar and clay are all examples of which type of mineral?
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