What are the colour of pH paper , approximate pH value, nature of subs

1.	What are the colour of pH paper , approximate pH value, nature of substance for the following solutions :-Saliva (before meal ) , saliva (after meal) , lemon juice, colourless aerated drink , carrot juice , coffee, tomato juice , tap water, 1M NaOH , 1M HCl
Answer» What are the colour of pH paper , approximate pH value, nature of substance for the following solutions :- Saliva (before meal ) , saliva (after meal) , lemon juice, colourless aerated drink , carrot juice , coffee, tomato juice , tap water, 1M NaOH , 1M HCl

What are the colour of pH paper , approximate pH value, nature of substance for the following solutions :-Saliva (before meal ) , saliva (after meal) , lemon juice, colourless aerated drink , carrot juice , coffee, tomato juice , tap water, 1M NaOH , 1M HCl

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What are the colour of pH paper , approximate pH value, nature of substance for the following solutions :-

Saliva (before meal ) , saliva (after meal) , lemon juice, colourless aerated drink , carrot juice , coffee, tomato juice , tap water, 1M NaOH , 1M HCl

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What are the colour of pH paper , approximate pH value, nature of substance for the following solutions :-Saliva (before meal ) , saliva (after meal) , lemon juice, colourless aerated drink , carrot juice , coffee, tomato juice , tap water, 1M NaOH , 1M HCl

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