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Which is not a component of black powder?
Chemistry
Which is not a component of black powder?
Sulfur
Magnesium
Charcoal
Saltpeter
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Who wrote the book "The Principles of Chemistry"?
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Europium on the periodic table is noted by which symbol?
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What noble gas has the lowest melting and boiling points of all the elements?
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Which of the following elements has the heaviest atomic weight?
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Acetylsalicylic acid is the chemical name for which?
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Which of these is a heavy gas used in specialized electric lamps?
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What element is used in manufacturing cans, foils and kitchen utensils, pipes, and window frames?
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What is H20 more commonly known as?
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