Decomposition reaction is when:

Question

Decomposition reaction is when: — Exam MCQ

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A. One reactant breaks down to give simpler products — A decomposition reaction is a type of chemical reaction where a single compound (reactant) breaks down into two or more simpler products. This reaction typically requires an external source such as heat, light, or electricity. An example is the decomposition of sodium chloride: 2NaCl → 2Na + Cl2.

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B. One element displaces another to give one product

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C. One reactant breaks down to simple products and energy released

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D. Two or more reactants give one product

Decomposition reaction is when:

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