Chemistry
What is the name for naturally-occurring alloy of gold and silver with a small amount of other metals?
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What is the chemical element with symbol "N" and atomic number 14?
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What precious metal is most commonly used in catalytic converters for cars?
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What alloy is made of copper and zinc and used for decoration for its bright gold-like appearance?
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What phenomenon explains why cyclohexatriene does not exist?
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What alkaline earth metal is formed from the decay of uranium?
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What is the term for rain that contains chemical pollutants?
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What property is a measurement of how hot or cold something is?
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