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On what basis is the difference between thermal decomposition and electrolytic decomposition most clearly identified?

Answer and explanation

Correct answer: By the source of energy

Decomposition is the breaking of one compound into simpler substances, but the two named types differ in how the reaction receives energy. Thermal decomposition is driven by heating, as in the breakdown of calcium carbonate on strong heating. Electrolytic decomposition is driven by an electric current, as in water electrolysis. Product colour, vessel shape, and reactant mass do not define the classification, so A is correct.

Related tags

ScienceClass10DecompositionEnergy-SourceChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourClass 10 Mcq

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