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10 June, 13:11

Is a fireplace poker glowing red when placed into fire a chemical or physical change

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Answers (2)
  1. 10 June, 13:49
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    A fireplace poker glowing red when placed into fire constitutes a physical change. All that is happening is that (usually) iron poker is being heated and emitting light. There is no change to the chemical properties.
  2. 10 June, 14:44
    0
    It is a physical change. The red glow is caused by radiation being emitted by the hot poker as it cools.
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