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CBSE Class 10 Science Question 13 of 28

Chemical Reactions and Equations — Question 13

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Question 13

What is the difference between displacement and double displacement reactions? Write equations for these reactions?

Answer
Displacement reactionDouble displacement reactions
In a displacement reaction, an element displaces another element from its compound.In double displacement reaction, atoms or groups of atoms (ions) are exchanged.
Example:
Zn + CuSO4 ⟶ ZnSO4 + Cu		Example:
NaOH + HCl ⟶ NaCl + H2O