Which of the following is/are the example/examples of chemic

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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.

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1. ?????? ???????? ?? ?????????????

2. ???? ?? ??????

3. ??? ?? ?????

???? ??? ?? ??? ?? ????? ???? ??? ????? ??????

[UPSC IAS Prelims 2014]

A 1 and 2 only

केवल 1 और 2

B 3 only

केवल 3

C 1, 2 and 3 only

केवल 1, 2 और 3

D None of the above

इनमे से कोई भी नहीं

Crystallisation of sodium chloride and ice melting are physical changes as they ...

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