Chemistry
Which is not a component of black powder?
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What is the only metallic element that is liquid at standard conditions for temperature and pressure?
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What property is a measurement of how hot or cold something is?
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From all salt elements, which group is most soluble?
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Which Middle Eastern country was widely accused of using chemical weapons in 2013?
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What is the chemical term for a peptide; two amino acids linked together?
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What symbol appears on the periodic table for Plutonium which has the atomic number 94?
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What is a compound or mixture of chemical compounds that is used to maintain a steady pH?
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Which of these is a chemical form of communication?
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