Question

Which of the following is not a physical change? A.boiling of water to give water vapour (b)melting of ice to give liquid water (c)dissolution of salt in water (d)combustion of liquefied petroleum gas

Answer 1

Hey mate

I think its d part( combustion of liquefied petroleum gas)
Hope it helps!!

Answer 2

combustion of liquefied petroleum gas is the physical change because when it burns it releases gas and gas will not change into it again