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Why does he s...

Question

Why does he shift the pH of the fresh milk from 6 to slightly alkaline?

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Solution

Fresh milk is acidic and can spoil easily. In presence of baking soda, milk becomes alkaline and can be stored for a longer time.

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Q. Question 12(a)
A milkman adds a very small amount of baking soda to fresh milk.
(a) Why does he shift the pH of the fresh milk from 6 to slightly alkaline?

Q. Fresh milk has a pH of 6. Explain why the pH changes as it turns into curd?

Q. i) Fresh milk has a pH of 6. How do you think the pH will change as it turns into curd ? Explain your answer.
ii) Why does distilled water not conduct electricity, whereas rain water does ?

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