Chemistry, 22.10.2020 18:01 ashiteru123
Which two options are examples of chemical changes?
A. A shinny metal bar glows red and expands when heated.
B. white piece of paper turns black and gives off a smell when burned
C. When two clear colorless liquids are mixed together, a white solid forms
D. A white powder mixed with a clear, colorless liquid makes a solution that is also clear, colorless liquid
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Answer explain why it is not possible to deduce a complete order of reactivity.
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Which two options are examples of chemical changes?
A. A shinny metal bar glows red and expands whe...
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