Heat is__________ in an endothermic change.
Endothermic changes :
Thus, Heat is Absorbed in an endothermic change.
Give an example of each of the following chemical changes.
(a) A reaction involving.
(i) Change of state.
(ii) Formation of the precipitate.
(b) An exothermic and an endothermic reaction involving carbon as one of the reactants.
(c) A reaction where the colour change is noticed.
Give a reason for the following statement.
The cooking of food is an endothermic change.
Differentiate between the following energy changes in a chemical change with a suitable example :
exothermic and endothermic reaction.