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Hydrogen and oxygen react to form water. Which type of reaction is this?

Answer and explanation

Correct answer: Combination reaction

The balanced equation is 2H₂ + O₂ → 2H₂O. Two reactants, hydrogen and oxygen, combine to produce only one compound, water; this satisfies the definition of a combination reaction. A decomposition reaction starts with one compound and gives multiple products. Displacement reactions involve replacement, while double displacement exchanges ions between two compounds.

Related tags

ScienceClass 10Combination ReactionChemical EquationsChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourClass 10 Mcq

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