NCERT Exercise 2.1 — Q11 - Acids, Bases and Salts
Question: Fresh milk has pH 6. How do you think the pH will change as it turns into curd? Explain.
Answer: pH will decrease (become less than 6) because lactic acid is produced during curdling, making the medium more acidic.
Full step-by-step NCERT solution with diagrams on Something by Zero.