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What is the simplest way to identify a double displacement reaction?

Answer and explanation

Correct answer: Exchange of ions between two compounds

The defining concept of a double displacement reaction is the exchange of ions between two compounds, usually ionic compounds in aqueous solution. Its general pattern is \(AB + CD \rightarrow AD + CB\): the positive or negative ions change partners and two new compounds may form. Burning a metal is combustion, while melting and liquefaction are physical changes rather than ionic chemical reactions.

Related tags

Chemical ReactionsDouble DisplacementIon ExchangeClass 10 ScienceChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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