Answered

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Which is an example of a chemical change?
A. heating a block of ice to form liquid water
B. heating a tungsten wire until it glows brightly
C. adding sugar crystals to water to form a clear, colorless liquid
D. passing an electric current through water to form hydrogen and oxygen

Sagot :

Answer:

D. passing an electric current through water to form hydrogen and oxygen

Explanation:

only one that's not just a physical change.

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