1.

Decomposition reaction requires energy in the form of heat or light or electricity for breaking the reactants. Write one example for each with equation.

Answer»

SOLUTION :Decomposition of calcium CARBONATE by heating :
`CaCO_(3)(g)overset("heat")(to)CaO(s)+CO_(2)(g)`
Decomposition of silver BROMIDE by the USE of sunlight :
`2AgBr(s)overset("sunlight")(to)2Ag(s)+Br_(2)(g)`
Decomposition of water by ELECTRICITY :
`2H_(2)O(l)overset("electrolysis")(to)2H_(2)(s)+O_(2)(g)`


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