Respiration is a chemical change
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YES RESPIRATION IS A CHEMICAL CHANGE BECAUSE HERE CHEMICAL REACTION TAKES PLACE..
BUT BREATHING IS A PHYSICAL CHANGE...
HOPE YOU WILL GET IT
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shelu72:
because energy is come out after the combination of glucose with oxygen
hmmm
yeah your answer is right but I explain this in detail
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Answer:
First of all
Happy Republic day
a.Chemical change is a process in which a new substance is formed.
Respiration is irreversible process
During respiration, oxygen is convert into carbon-dioxide( a new substance is formed).
During respiration, there is change in their chemical composition.
During respiration, absorption and evolution of energy takes place.
These are characteristics of chemical reaction. Hence, respiration is a chemical reaction.
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