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What is a substance that tastes sour AND TURNS BLUE LIMYTUS RED?

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Substance that turns blue litmus pink?

well as we know if we want to test a substance to see if its a base then we use red litmus paper and for an acid we use blue litmus paper. So if we are using blue litmus paper

Why does red cabbage turn blue when boiled?

  The Compounds that give fruits and vegetables their red color are very sensitive to acidity. As long as they are acidic they stay red, but when they become non-acidic th

Why can you taste sour on sour but not sour on salty?

Well, the whole thing is very complicated. The asorbic acid in sour, compliments the falic acid in other sour foods. It may seem more sour to you if you taste sour on sour, bu