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Type: Multiple-Choice
Category: Reactions
Level: Grade 8
Tags: chemical reactions
Author: jtakei
Last Modified: 6 years ago

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Grade 8 Reactions

Which of the following is a single replacement reaction?
  1. Al(NO3)3+MgSO4→Al2(SO4)3
  2. 2Na+CaCl2→2NaCl+Ca
  3. O2+2H2→2H2O
  4. 2H2O→2H2+O2