What is unique about red cabbage extract pH indicator compared to pH paper? A) r

Question

What is unique about red cabbage extract pH indicator compared to pH paper?

A) red cabbage extract is made up of small molecules while pH paper uses large molecules
B) red cabbage extract is mostly one molecule that changes at least three different colors at different pH ranges while pH paper is typically made up of several different molecules changing different colors at different pH ranges
C) red cabbage extract molecules chemically change their molecular structure in a major way when they change color in different pH ranges while compounds in pH paper typically change by just a proton when they change colors in different pH ranges
D) red cabbage extract has a long shelf life when stored at room temperature while pH paper can only be stored at room temperature for several months before it expires

Explanation / Answer

C) red cabbage extract molecules chemically change their molecular structure in a major way when they change color in different pH ranges while compounds in pH paper typically change by just a proton when they change colors in different pH ranges

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