Question

PH value of : 1) saliva (before meal) 2)saliva (after meal) 3)lemon juice 4)colourless aerated drink 5)carrot juice 6)coffe 7)tomato juice 8)tap water

Answer 1

pH value of 1)saliva (before meal) -- 7.4
2)Saliva (after meal) --5.8
3)Lemon juice -- 2.5
4)Colorless aerated drink -- 6
5)Carrot juice -- 6
6)Coffee -- 5
7)Tomato juice -- 4.1
8)Tap water -- 7.0

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