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Question

A milkman adds a very small amount of baking soda to fresh milk.

(i) What is the effect of addition of baking soda to milk?

(ii)Why does this milk take long to set as curd?

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Solution

Hi,

During summers, milkman usually adds a small amount of baking soda. It is so because during summers, the activity of bacteria increases which increases the acidity of milk with time. Baking soda is slightly basic(alkaline), thus it neutralises the excess acid in the milk produced by bacteria and thus milk is prevented from spoilage.


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