Chemistry
The red color of rubies is caused mainly by the presence of what element?
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The red color of rubies is caused mainly by the presence of what element?
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What is thermal energy that moves from warmer objects to cooler ones called?
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Which mineral water company had to admit in 1990 that they artificially carbonated their product?
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What was the fifth unearthly element from the days of Aristotle?
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Which of those would you use to perform a metathesis reaction?
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