Question

example of photochemical decomposition and thermal decomposition reaction

Answer 1

Thermal decomposition reaction: Calcium carbonate decomposes to form calcium oxide and carbon dioxide. Photochemical decomposition reaction: When silver chloride is kept in sunlight, it decomposes to form silver and chlorine. Read more on Sarthaks.com - https://www.sarthaks.com/32205/give-example-each-for-thermal-decomposition-and-photochemical-decomposition-reactions

Answer 2

Photochemical decomposition -

AgCl exposed into light it breaks into Ag and Cl

Thermal decomposition -

copper carbonate breaks down when it is heated -  

--- copper carbonate --- > copper oxide + carbon dioxide.