Make PH Paper | Chromatography of Colours

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Usually Inks & Dyes are made up of Multicolours by adding specific chemical compound we can change their colour.
Eg. Turmeric powder is in yellow in colour but it gets Reddish when it experiences the Alkaline compound.

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It shows Red to yellow in alkaline solution straight opposite to the ph paper hence it can only be used as Indicator not as ph paper
& also it don't shows any change in acid

arbazchaudhary
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