Chemistry
What element was known in ancient times and referred to in Genesis as "brimstone"?
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What are the two alkalines to be found in the kitchen?
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What are substances that control the rates of chemical reactions?
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What term is used for military use of harmful biological agents?
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What symbol appears on the periodic table for the element with the atomic number 96?
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What was the fifth unearthly element from the days of Aristotle?
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What symbol appears on the periodic table for Unnilquadium which has the atomic number 104?
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