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CBSE Class 10 Science Question 2 of 28

Chemical Reactions and Equations — Question 2

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Question

Question 2

Fe2O3 + 2Al ⟶ Al2O3 + 2Fe

The above reaction is an example of a

  1. combination reaction.
  2. double displacement reaction.
  3. decomposition reaction.
  4. displacement reaction.
Answer

displacement reaction

Reason —

The above reaction is an example of a displacement reaction because Fe in Fe2O3 has been displaced by Al and the reaction is of type : YZ + X ⟶ XZ + Y