Answer:
Explanation:
1) 7 Neutral [tex]P^{H}[/tex]
2) [tex]P^{H}[/tex] Increasing then It is Basic in Nature
3) [tex]P^{H}[/tex] Decreasing then It is acidic
4) Due to their Buffer System
5)[tex]OH^{-}[/tex] will react with [tex]H^{+}[/tex] and prevent in [tex]P^{H}[/tex] shift