Check sibling questions

Fresh milk has a pH of 6. How do you think the pH will change as it turns into curd? Explain your answer.

 

Answer:

Curd contains lactic acid , also the taste of curd is sour as compared to that of milk.

This indicates that curd has more acidic properties than milk.

We know that, if substance A has more acidic nature than substance B, then pH of substance A will be lesser than pH of substance B. 

(The lower the pH of a solution is than 7, the more is it’s acidic concentration)

In this case, curd has a higher acidic nature than milk. Hence, the pH of curd will be less than the pH of milk. Therefore, pH of curd < 6.

pH of curd and Milk-01.jpg

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CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo