Fresh milk has a pH of 6. When it changes
into curd (yoghurt), will its pH value
increase or decrease? Why?
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2
Answer:
fresh milk has a pH of 6. When fresh milk changes into curd, its pH value decreases because of an increase in the acidity of the milk. Bacteria usually change fresh milk to curd by producing lactic acid.
fireking9801:
Usually, fresh milk has a pH of 6. When fresh milk changes into curd, its pH value decreases because of an increase in the acidity of the milk. Bacteria usually change fresh milk to curd by producing lactic acid. Fresh milk that has changed into curd is sour, because its acidity has increased.
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Answered by
1
Answer:
Usually, fresh milk has a pH of 6. When fresh milk changes into curd, its pH value decreases because of an increase in the acidity of the milk. Bacteria usually change fresh milk to curd by producing lactic acid. Fresh milk that has changed into curd is sour, because its acidity has increased.
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