Chemistry
Chemistry, 22.10.2019 02:20, alexiahall2616

Which process is an example of a physical change?

electricity breaks down water into hydrogen and oxygen gases.
limestone breaks down into lime and carbon dioxide when heated.
carbon combines with oxygen to form carbon dioxide gas.
ice turns to water when heated over a bunsen burner.

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Which process is an example of a physical change?

electricity breaks down water into hy...

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