Question

write one equation each for decomposition reaction where the energy supplied in form of heat,light and electricity​

Answer 1

Answer:

Chemical decomposition : A chemical reaction in which a single substance splits into two or more substances is called chemical decomposition.

For decomposition reaction where energy is supplied in the form of :

a) Heat : On heating calcium carbonate decomposes into calcium oxide and carbondioxide.

OR

b) Light: Silver bromide decomposes to silver and bromine in sunlight.

OR

c) Electricity : On passing the electricity, water dissociates to hydrogen and oxygen.