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METHYL RED INDICATOR<br />
Three Acid/Base Solutions With Measured pH<br />
From top to bottom, solutions are measured at a pH of 2, 5 and 10. Solutions with a pH of 4.4 or less appear red when methyl red is added. Solutions with a pH greater than 6.2 are yellow.

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METHYL RED INDICATOR
Three Acid/Base Solutions With Measured pH
From top to bottom, solutions are measured at a pH of 2, 5 and 10. Solutions with a pH of 4.4 or less appear red when methyl red is added. Solutions with a pH greater than 6.2 are yellow.

Copyright:© 1985 Chip Clark - Fundamental Photographs

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