Question

Respiration is a chemical change
Give reason

Answer 1

Answer:

Respiration is a chemical change because in the process of respiration its composition is changed. Ex :- In aerobic respiration, glucose gets converted to CO2, H2O and energy.

Answer 2

Respiration is a chemical change as a new substance like carbon dioxide and water are formed. Also there is change in the mass as glucose is oxidised by Oxygen and heat is released. This change is permanent. All these factors that resperation is a chemical change.