CBSE class 10 science sample question paper 2023-2024
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Any three-point given above –
1. pH are sensitive for Plants and animals. Living beings can survive only in narrow or small range of pH change.
2. pH of the soil. Plants require a specific pH range for their healthy growth.
3. pH in our digestive system. In digestive system, during digestion the stomach produces too much acid that cause irritation and pain. But remember, our stomach produces hydrochloric acid (HCL) that helps in the digestion of food also.
4. pH is also acts as self-defense by plants and animals through chemical warfare agents. Sting of Bees, leaves some residue and acid causing irritation and pain. Applying a mild base like (baking soda, apple cider vinegar) on the area of stung, provides relief from pain and swelling.
5. pH that responsible for tooth decay. When the pH of the mouth is lower than 5.5 tooth are going to start to decay. And, when pH in the mouth is below 5.5, tooth enamel gets corroded.
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