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Type: Multiple-Choice
Category: Reactions
Level: Grade 11
Score: 1
Tags: chemical equation double displacement
Author: appier
Last Modified: 12 years ago

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Grade 11 Reactions

Which of the following chemical equations represents a double displacement reaction?
  1. H2O(g)→2H2O(g)+O2(g)
  2. BaCl2(aq)+K2CrO4(aq)→2BaCrO4(aq)+2KCl(s)
  3. Ag(s)+NaCl(aq)→AgCl(s)+Na(s)
  4. NH3(g)+HCl(g)→NH4Cl(s)