What type of change are involved in curdling of milk
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Curdling of milk is a chemical change. Milk turns into curd when the sugar called lactose turns into lactic acid under the influence of a bacteria lactobacillus. The milk breaks up abd the protein casein coagulates.
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ANSWER:
The change of milk into curd is a chemical change and it is done by a bacteria named Lactobacillus.
EXPLANATION:
Lactobacillus bacteria are responsible for the chemical reaction involve in conversion of the milk into curd. The milk solidifies and becomes sour in taste due to this phenomenon. Lactobacillus bacteria’s are helpful for our digestion.
They are beneficial and does not harm the humans. Milk can be defined as a yellowish liquid substance which provides protein, ion, calcium and other essential vitamins to the body. They are the source of fat also. Milk has a different taste from the curd.
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