Chemistry
What symbol appears on the periodic table for Oxygen which has the atomic number 8?
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What precious metal is most commonly used in catalytic converters for cars?
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What is often used in advertising signs and produces a bright reddish-orange light?
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A tincture of iodine solution means that iodine is dissolved in which substance?
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Gold, silver, lead, and copper exhibit the properties of which of the following crystal systems?
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Analysis of the black soot left over from a fire would reveal what primary element?
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The dumping of most toxic chemicals into the ocean was banned by what treaty?
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What compounds that are soluble in water are classed as bases?
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