Chemistry, 29.10.2020 18:40 laylay7383
Which of the following is a chemical change?
A. Water freezing to form ice
B. Sugar dissolves in water
C. Gasoline burns in a car engine
D. A piece of metal expands when it is heated
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What extra step distinguishes fermentation from glycolysis
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Balance the following reaction. as2s3 + 9o2 → 2as2o3 + so2
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Which of the following is a chemical change?
A. Water freezing to form ice
B. Sugar dissolves...
B. Sugar dissolves...
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