Question

pH has great importance in our daily life explain by giving three examples

Answer 1

Hi friend,
Here is your answer;
pH plays an important role in our everyday life. A few examples are:-
1. In our digestive system - Hydrochloric acid is produced in the stomach to help in digesting food. However, when the amount of acid exceeds a certain limit it causes acidity and pain. This acidity can be neutralized by taking a mild base called as an antacid.
2. pH of soil – Plants grow only in soils that have a definite pH range. So, highly acidic soils are treated with quicklime or calcium carbonate to reduce its acidity.
3. Tarnished vessels – Copper vessels are tarnished due to the formation of a layer of basic copper oxide. This can be removed when it is rubbed with the citric acid from a lemon. Copper oxide forms copper citrate with citric acid and is washed away giving a shine to the vessels.

Answer 2

Hey...
1- Tooth decay :-Due to acidic nature of mouth tooth decay starts ....

PREVENTATION :-take tooth paste daily
PH of mouth is 5.5 (acidic)


2-PH of soil and pond ;-due to acidic rain the PH of water and soil becomes acidic
->it will lead to harm plants and animals

PREVENTATION:-use a base like Cao ,Caco3 ,to neutrilize the acid


3-Digestion :-due to presence of HCl the nature of stomach is acidic
->on eating oily food the acidity of stomach increases


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