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1 question · 2014 · answers as per the UPSC key

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UPSC 2014 · Q70 · Science & Technology › Chemistry · Save

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
Show answer
Answer: (b) 3 only