Which among the following are physical or chemical changes?
(a) Evaporation of petrol
(b) Burning of Liquefied Petroleum Gas (LPG)
(c) Heating of an iron rod to red hot.
(d) Curdling of milk
(e) Sublimation of solid ammonium chloride


Physical changes
(a) Evaporation of petrol
(c) Heating of an iron rod to red hot.
(e) Sublimation of solid ammonium chloride

Chemical changes
(b) Burning of Liquefied Petroleum Gas (LPG)
(d) Curdling of milk

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Updated on: 10-Oct-2022

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