Write an example of endothermic spontaneous reaction.

Give an example of endothermic reaction.

Explain the terms with examples : * Endothermic reaction

If a process is both endothermic and spontaneous then

(a) What do you understned by exothermic and endothermic reactions ? (b) Give one example of an exothermic reaction and one of an endothermic reaction. (c ) Which of the following are endothermic reactions and which are exothermic reactions ? {:((i),"Burning of natural gas",(ii),"Photosynthesis"),((iii),"Electrolysis of water",(iv),"Respiration"),((v),"Decomposition of calcium carbonate",,):}