Give an example of a decomposition reaction. Describe an activity to illustrate such a reaction by heating.
Calcium carbonate decomposes on heating and forms calcium oxide and carbon dioxide.
CaCO3heat−−→CaO+CO2
A red brown gas is released on heating lead nitrate. It is an example of decomposition reaction.
Give an illustration of a thermal decomposition reaction.
Illustrate an activity showing a chemical reaction and state your observation. Give suitable examples in support of your answer.
Give an example of decomposition reaction where energy is supplied in form of light.