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9 March, 17:38

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

A) a substitution takes place.

B) two atoms of a compound are lost.

C) ions are exchanged between two compounds.

D) electrons are exchanged between two atoms.

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Answers (2)
  1. 9 March, 17:44
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    The correct answer is C. A double replacement reaction can be best described as a reaction in which ions are exchanged between two compounds. An example is Al2 (SO4) 3 + 3Ca (OH) 2 = 2Al (OH) 3 + 3CaSO4 where the cations and anions of each reactant exchanged.
  2. 9 March, 17:58
    0
    The answer is " ions are exchanged between two compounds." C
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