Which among the following are physical or chemical changes? (a) Evapo – InterviewSolution

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1.	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
Answer» Solution :(a) PHYSICAL CHANGE (B) CHEMICAL change (c ) Physical change (d) Chemical change (e) Physical change

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