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07-09-2017
Chemistry

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luminol is a chemical used to indicate that a red liquid is blank

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16-09-2017

Blood. Luminol is a chemical that comes in a spray. When it is mixed with another chemical called an oxidizing agent it produces a compound that gives off a blue glow temporarily. Blood contains an oxidizing agent, so if luminol is sprayed on blood it glows blue for about 30 seconds.

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