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What is the main difference between electrolytic decomposition and thermal decomposition?

Answer and explanation

Correct answer: Electrical energy is used in one and heat energy in the other

Decomposition means breaking one compound into simpler substances, and it requires an energy input. In electrolytic decomposition, electrical energy supplied through an electric current causes the compound to split, as in electrolysis of water. In thermal decomposition, heat energy causes the splitting, as when calcium carbonate is heated. Thus option A correctly identifies the difference; the other choices describe neither process accurately.

Related tags

Chemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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