2014 Science & Technology - Chemistry

Which of the following is/are the example/examples of chemical change? 1. Crystallization of sodium chloride 2. Melting of ice 3. Souring of milk Select the correct answer using the code given below.

  • 1 and 2 only
  • 3 only
  • 1, 2 and 3
  • None

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    2014 UPSC Science & Technology PYQ | UPSC Insights | UPSC Insights