kmacho9096 kmacho9096
  • 27-08-2017
  • Biology
contestada

When milk spoils and turns yellow–white, is this a chemical or physical change?

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Erythrosin17
Erythrosin17 Erythrosin17
  • 08-09-2017
I believe the correct answer is the latter choice. When the milk spoils and turn to yellow-white, it shows a chemical change. A chemical change is a change where new substances are being formed after a process.   When the milk is spoiling, the sugar in milk, lactose, is turned into lactic acid.
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