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Give reason During summer season, a milk man usually adds a very small amount of baking soda to fresh milk.

User Nazir
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Answer:

The pH of milk is 6. As the pH of milk reduces , it starts turning into curd. Hence, to prevent that, the milkman adds a small amount of baking soda, which is a base. By doing this he increases the pH of the milk and prevents it from turning into curd sooner.