Which is an example of a chemical change? A. passing an electric current through water to form hydrogen and oxygen B. adding sugar crystals to water to form a clear, colorless liquid C. heating a block of ice to form liquid water D. heating a tungsten wire until it glows brightly
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Which position represents spring in the southern hemisphere? a) b) c) d)
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Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions
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Which is an example of a chemical change? A. passing an electric current through water to form hydro...
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