![Class 7] Litmus paper test - How does it work? - Teachoo](https://d1avenlh0i1xmr.cloudfront.net/78bf0001-98b7-4a06-b359-a0d7e1f95055/naturals-indicators-teachoo.jpg "Class 7] Litmus paper test - How does it work? - Teachoo")
Class 7] Litmus paper test - How does it work? - Teachoo
Litmus paper
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Litmus Paper for pH Measurement
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