Chemistry
Which scientist was the first to discover that for DNA, "A=T and C=G"?
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What is the stinky gas associated with swamps and anaerobic decomposition?
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What symbol appears on the periodic table for the element with the atomic number 18?
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A compound or molecule that is composed of carbon, oxygen and hydrogen best fits which science term?
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When wood has been heated to remove almost all volatile gases and leave the carbon, it is called what?
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How many pounds of carbon dioxide are produced when a car burns one gallon of gas?
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What is added to drinking water and to swimming pools to serve as a disinfectant?
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Silver chloride and silver nitrate are both chemicals that darken with exposure to what?
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