Question

some eg of change in temprrature​

Answer 1

hot , humid ,cold ,windy ,springy,etc...

Answer 2

Examples for reactions with change in temperature :-

${CaO + H2O --> Ca(OH)2}$

It is an exothermic reaction where heat is evolved.Thus, it becomes hot.

* ${Ba(OH)2 + NH4Cl --> BaCl2 + NH3 + H2O}$

It is an endothermic reaction where heat is absorbed. Thus, it becomes cool.