Question

what is pH scale?fresh milk has a pH of 6.how do you think the pH will change as it turns into curd? explain your answer

Answer 1

the ph will turn to 5 as the process of making curd requires lemon in it. lemon has acetic acid. acetic acid has ph of approx. 4. and 6+4
___ == 5

2

Answer 2

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pH is a logarithmic scale used to specify the acidity or basicity of an aqueous solution.

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when milk changes into curd ,ph will decrease .this is because curd is more acidic than milk because curd contain lactic acid..more acidic is a substance,lesser is its ph