The other example of thermal decomposition is
A Electrolysis of water
B Reaction between CuSO4 and Fe
C Reaction between aqueous solution of lead nitrate and potassium iodide
D Breaking down of calcium carbonate in the presence of heat
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Breaking down of calcium carbonate in the presence of heat is the right answer
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Answer:
2H2O----- 2H2+O2.
CuSO4+Fe------- FeSO4+Cu.
Pb(NO3)2 + 2KI + PbI2 + 2KNO3.
CaCO3------ CaO+CO2.
So,Breaking down of calcium carbonate in the presence of heat. is the correct answer.
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