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which among the following are physical or chemical changes?

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asked Jan 9, 2018 in Chemistry by sforrest072 (157,439 points) ● 63 ● 450 ● 1292
edited Jan 10, 2018 by sforrest072

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

1 Answer

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answered Jan 9, 2018 by faiz (82,347 points) ● 6 ● 6 ● 12
selected Jan 24, 2018 by Vikash Kumar
 
Best answer

(a) physical change    

(b)chemical change   

(c) physical change 

(d)chemical change

(e) physical change 

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