Answer:
If the pH is 7 then the substance is neutral.If the pH is less than 7 then the substance is acidic in nature.If the pH is more than 7 then the substance is basic in nature.
Step-by-step explanation:
There are numerous importance of pH value in our daily life such as
1 we drink water to quench our thrist.The water itself has a pH value of 7 means it is neutral
2 The HCl that is present in the gastric juice of stomach has a pH of 1.5-2.This HCl play an important role in the digestion of protein.
3 Human blood is slightly basic because the normal pH of our blood is 7.4.