question_answer

Write the differences between respiration and combustion.

Answer:

Difference between respiration and combustion:

S. No.	Respiration	Combustion
(i)	The energy released is stored in chemical molecules.	The energy released does not get stored.
(ii)	No release of light and heat.	Heat and light is released.
(iii)	Stepwise release of energy, no rise in temperature.	Fast reaction and sudden release of energy in one step. Rise in temperature takes place.
(iv)	Happens at the body temperature.	Requires high ignition temperature (for burning fuel molecules.)