Chemistry
What gas in excited state is responsible for the bright red and yellow-green colors of the aurora?
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Which scientist was the first to discover that for DNA, "A=T and C=G"?
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What extremely flammable gas was associated with the famous explosion of the Hindenburg airship?
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What are the products of propanoic acid and ethanol when the two are combined with warm sulphuric acid?
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What is the symbol used on the periodic table for the element Boron?
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What precious metal is most commonly used in catalytic converters for cars?
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What phenomenon explains why cyclohexatriene does not exist?
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What is the oxidation number on the chromium in a dichromate ion "(Cr2O7)^2-"?
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