Acid reflux experiment. Acid reflux from the stomach can be neutralized by antacid. Here, the universal indicator has turned red in the presence of an

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Acid reflux experiment. Acid reflux from the stomach can be neutralized by antacid. Here, the universal indicator has turned red in the presence of an acid. Colour changes will indicate changes in the acidity. For a sequence showing the changes as the acid is neutralised by the addition of an antacid, see images C010/9143-9145.

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Size: 3430px × 5125px
Photo credit: © MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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