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Question

Can a body undergo physical as well as chemical change simultaneously? Support your answer with proper example.


Solution

yes 

example is gas being used in an engine. The physical change is the gas turning into a gas form of the gas. The chemical change is when the gas is being burned.A man eating chocolate bar is 
an example of a chemical and
physical change. The chemical 
change is when he digests, the 
chocolate changes into 
something different. The 
physical change is when he 
takes a bite, the chocolate is 
broken up into smaller pieces.A burning candle is another example. The physical change is the melting of the wax. The chemical change is the formation of 
CO2

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