Question

"PH has a great importance in our daily life." explain by giving any three examples

Answer 1

Yes because

1)The pH in our digestive system.

2)pH changes as the cause of tooth decay.

3)Self defence by animals and plants through chemical warfare..

Answer 2

importance of PH in our daily life are:
1. plants and animals are pH sensitive: human being can only survive in the narrow range of PH between 7.0 to 7.8 the rain whose pH is less than 5.6 is known as acid rain when this type of rain get mixed with the river water it makes the life of aquatic animal more difficult.


2. pH of our digestive system: our stomach releases hydrochloric acid due to which sometimes people complaints about the acidity in that case we need to use antacid which are basic in nature the antacid acid react with the high composition of hydrochloric acid present in our stomach and neutralizes it.


3. pH of our teeth: our teeth is made up of calcium Potash which is the strongest substance that is present in our body but when we eat food some food get stuck between our teeth that food is decomposed by some bacteria that causes cavity if the pH of the teeth get below 5.4 then it causes tooth decay.



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