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

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Solution

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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Question 12(b)
A milkman adds a very small amount of baking soda to fresh milk.
(b) Why does this milk take a long time to set as curd?

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

1)why does he shift the ph of the fresh milk from 6 to slightly alkaline?

2)why does thisilk take long time to set as curd

State reasons for the following statements:

(a) Tap water conducts electricity, whereas distilled water does not.

(b) During the summer season, a milkman usually adds a very small amount of baking soda to fresh milk.

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