Classify the following changes of substances as PHYSICAL or CHEMICAL: 12(s)+ sodium bisulfate - 2Nal (aq)+ other products solid potassium dichromate melts and 1. . Physical turns dark when heated, and returns to its original 2. Chemical color as it cools to form a solid 12(g) -12(s)

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A:

Q: 17) OH

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Q: can you explain the difference between a physical and chemical change?

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A: Option(c) is correct

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A:

Q: Describe the difference between a physical change and a chemical change.

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