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 a meal) is 7.4 which is slightly basic with green colour.

2) saliva (after a meal) is 5.8 which is acidic with yellow colour.

3) lemon juice is 2.5 which is always acidic with pink colour.

4) colorless aerated drink is 6 which is slightly acidic with lime green colour.

5) carrot juice is 5.6 which is acidic with yellow / green colour.

6) coffee is five which is very acidic with yellow colour.

7) tomato juice is 4.1 which is also acidic with a beige colour.

8) tap water is 7 which is neutral with green/lime green colo

Answer 2

Answer:

this is the answer

Explanation:

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