1Fresh milk has a pH of 6. How do you think the pli will change as hums in
eurd? Explain your answer
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The pH of fresh milk is 6 which is acidic in nature. This milk is converted to curd by the action of bacteria which further increases the acidity of the curd and decreases its pH value from 6 and it becomes less than 6. The acidic strength increases on going down the pH scale from 7 to 1.
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