UPSC 2014ScienceModerate

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.

a
1 and 2 only
b
3 only
c
1, 2 and 3
d
None
ChemistryChemical vs. Physical ChangesChemical changephysical changecrystallization of sodium chloridemelting of icesouring of milknew substance formationreversible change

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