Question

State the importance of pH in daily life.
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Answer 1

Answer:

pH plays a very important role in our everyday life. 1. In our digestive system :Hydrochloric acid produced in our stomach helps the digestion of food without causing any harm to the stomach. But when the amount of the acid goes beyond a certain limit due to indigestion, pain and irritation are created in the stomach.

Explanation:

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Answer 2

pH is important in everyday life:

1. Existence of living beings

• pH is important in everyday life: 1. Existence of living beingsOrganisms require a specific pH for their ideal growth and development. In the human body, all the physiological reactions take place in the pH of 7-7.8. The existence of aquatic plants, animals and microbes is at risk when acid rains mix with natural water bodies.

2. Digestion of food

• The pH is important at different levels in the digestive system of the human body for the proper digestion of food. In the stomach, hydrochloric acid is secreted as food enters the stomach. It turns the pH of the stomach between 1 and 3. This pH is important for the activation of the enzyme pepsin, which helps in the digestion of protein in food.

3. Importance in soil

• The pH of soil is a critical factor in the growth of crops and other plants. pH 6.5 to 7.3 is ideal for the growth of shrubs and crops. If the pH of soil is less than 6.5, lime is added to it to neutralise its acidity. Similarly, if the pH of soil is more than 7.3, gypsum is added to neutralise its basicity.

4. Stopping tooth decay

• Teeth decay when the pH of the mouth falls below 5.5. Bacteria present in food and the mouth breakdown food particles left in the mouth and form acids. This results in lowering the pH of the mouth. Tooth powder and tooth paste which are used for cleaning of teeth are basic in nature. They neutralise the acid produced in the mouth and protect the teeth from decay.

5. Remedy for acidic effect of honeybee bite

• When a honeybee bites, it inserts an acidic substance Melittin in our body. To get relief from it, an aqueous solution of a basic substance such as baking soda is applied around the place of bite. It helps to neutralise the acidic poison.

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