Electrolysis of salt water, with methylene orange added as indicator. The indicator turns blue at the negative electrode (clack cord) because ot the

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Electrolysis of salt water, with methylene orange added as indicator. The indicator turns blue at the negative electrode (clack cord) because ot the presence of OH- ions.

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Size: 3456px × 2180px
Photo credit: © Kim Christensen / Alamy / Afripics
License: Royalty Free
Model Released: No

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