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Determine whether each statement is an example of a physical change or a chemical change.

1. Wood is burned.
- Physical
- Chemical

2. Dry ice (solid carbon dioxide) vaporizes to form carbon dioxide gas.
- Physical
- Chemical


Sagot :

Final answer:

Identifying physical and chemical changes in various processes in chemistry.


Explanation:

Physical change: Water boils and becomes steam; alcohol in thermometers freezes at -40 degrees Fahrenheit.

Chemical change: Food digestion


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