Chemistry

26 March, 20:20

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Physical Changes Versus Chemical Changes: Mastery Test

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Select the correct answer.

The metal wire in an incandescent lightbulb glows when the light is switched on and stops glowing when it is switched off. This simple process is

which kind of a change?

ОА a physical change

B. a chemical change

ca nuclear change

OD. an lonic change

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