Which among the following are physical or chemical changes?i. Evaporat – InterviewSolution

1.	Which among the following are physical or chemical changes?i. Evaporation of petrolii. Burning of Liquefied Petroleum Gas (LPG)iii. Heating of an iron rod to red hotiv. Curdling of milkv. Sublimation of solid ammonium chloride
Answer» Physical changes: Evaporation of petrol, heating of an iron rod to red hot, sublimation of solid ammonium chloride. Chemical changes: Burning of Liquefied Petroleum Gas (LPG), curdling of milk.

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