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Physical change.

You aren't changing the substance.

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βˆ™ 12y ago
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βˆ™ 6mo ago

Heating tungsten until it glows red is a physical change because the composition of the tungsten does not change. The change in color is a result of the increased temperature causing the atoms to vibrate and emit visible light.

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Q: Is heating tungsten until it glows red a chemical or physical change?
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