Question

what is double displacement reaction?¿
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Answer 1

Reaction in which two compounds exchange their ions to form two new compounds is called double displacement reaction.
(OR)
Reaction in which two substances exchange their ions to form two new substances is called double displacement reaction
EXAMPLES:
Na2SO4+BaCl2——->NaCl+BaSO4
CuSO4+H2S——>CuS+H2SO4

Answer 2

Answer:

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Explanation:

The double displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound. Both metals and non-metals take part in displacement reactions.

For example, Mg(s)+CuSO4(aq)⟶MgSO4(aq)+Cu(s).

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