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![How to Make Red Cabbage pH Indicator - Chemistry - About.com](https://www.iarticlesnet.com/pub/img/site/s_51.jpeg)
How to Make Red Cabbage pH Indicator - Chemistry - About.com
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日期:2024-08-15
Red cabbage juice can be used to test the pH of common household chemicals. ... Filter out the plant material to obtain a red-purple-bluish colored liquid....看更多