Chemistry
Which is not a component of black powder?
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What contain most of the calcium ion in the human body?
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What is the symbol used on the periodic table for the element Americium?
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The study of the effects of light on chemical reactions is known as what?
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What metal is known for the chemical compounds it forms, such as emeralds and aquamarines?
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The dumping of most toxic chemicals into the ocean was banned by what treaty?
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Which mineral water company had to admit in 1990 that they artificially carbonated their product?
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