NCERT Exercise 2.1 — Q12 - Acids, Bases and Salts
Question: A milkman adds a very small amount of baking soda to fresh milk. (a) Why shift pH from 6 to slightly alkaline? (b) Why does this milk take long to set as curd?
Answer: (a) To prevent milk from turning sour quickly. (b) Alkaline milk retards formation of lactic acid, so curd sets slowly.
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