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)
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)