NCERT Exemplar Solutions
Class 10 - Science - CHAPTER 1: Chemical Reactions and Equations - Multiple Choice QuestionsQuestion 1
Class 10 - Science - CHAPTER 1: Chemical Reactions and Equations - Multiple Choice Questions
Question. 1
Which of the following is not a physical change?
(a)
Boiling of water to give water vapour
(b)
Melting of ice to give water
(c)
Dissolution of salt in water
(d)
Combustion of Liquefied Petroleum Gas (LPG)
Detailed Answer with Explanation:
Combustion of LPG is a chemical change since new products are formed. The other three are physical changes.