Chemistry
What element forms a brilliant mirror when it is painted on glass?
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Felix Hoffmann, not Bayer, first patented what remedy?
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What element was known in ancient times and referred to in Genesis as "brimstone"?
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Which of these would be used to measure the volume of liquid in a glass?
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Which Middle Eastern country was widely accused of using chemical weapons in 2013?
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The red color of rubies is caused mainly by the presence of what element?
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Which would NOT be used for the polymerization of ethylene?
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