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| 1. |
Ph has a great importance in our daily life.illustrarte with giving example |
| Answer» In our digestive system ,HCl produced in our stomach helps in digestion of food without harm to the stomach.Acids cause tooth decay , when we eat sugary food it gets degraded by bacteria present in the mouth and an acid is formed.when the ph became lower than 5.5 tooth enamel gets corroded | |