Chemistry · Matter and its Composition
In dairy industries, milk is converted into curd using starter cultures where bacteria convert lactose into lactic acid. This process is best classified as:
- 1A physical change because only the texture of the substance changes
- 2A reversible change because milk can be recovered using chemical methods
- 3A chemical change because new chemical substances with different properties are formed✓
- 4A temporary physical change that reverts back to milk at lower temperatures
Correct answer
A chemical change because new chemical substances with different properties are formed
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