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"pH has a great importance in our daily ...

"pH has a great importance in our daily life". Explain by giving three examples.

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(a) The acidic pH of our stomach aids in digestion.
(b) Specific pH of the soil helps in the healthy growth of plants.
(c ) If the pH of the teeth is lower than 5.5., the tooth enamel gets corroded and causes tooth decay
(d) Bee sting leaves an acid causing pain and irritation. Applying a mild base in that area provides relief due to the neutralisation effect of the acid.
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