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Question 30Which 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»

Question 30

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.





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