state gov TSPSC Group 3 (తెలంగాణ గ్రూప్ 3) 2023 Mock Test Series General Science Chemistry Basic Concepts of Chemistry
Which of the following is not a physical change?
1
Boiling of water to give water vapour
2
Melting of ice to give water
3
Dissolution of salt in water
4
Combustion of liquefied petroleum gas (LPG)