A double replacement reaction can be best described as a reaction in which a substitution takes place. two atoms of a compound are lost. ions are exchanged between two compounds. electrons are exchanged between two atoms.

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A double replacement reaction can be best described as a reaction in which

a substitution takes place.
two atoms of a compound are lost.
ions are exchanged between two compounds.
electrons are exchanged between two atoms.

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C.) an ion is exchanged between two compounds. Edge 2020.