Question

A milk man adds a very small amount of baking soda to fresh milk.
(a) Why does he shift the ph if fresh milk from 6 to slightly alkaline
(b) Why does this milk take a long time to set as curd

Answer 1

Answer:

to give him basic medium because of bacteria

1. because when we add baking soda so the incerese in no. of bacteria is decreased

Answer 2

1) alkaline medium does not allow milk to turn sour easily

2)when milk is set to curd the presence of alkali does not allow it to become acidic easily .hence it takes longer time to set as curd

Explanation:

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