The reaction in which energy is absorbed is called as a/an _____________.
Exothermic reaction
Endothermic reaction
Physical reaction
Combination reaction
The reaction in which energy is absorbed is called as an endothermic reaction.
Example: Melting if ice cubes, conversion of frost to water vapour, etc.
The process of respiration is :
(a) an oxidation reaction which is endothermic
(b) a reduction reaction which is exothermic
(c) a combination reaction which is endothermic
(d) an oxidation reaction which is exothermic