Question

what id called double displacement reaction?

Answer 1

Double Displacement Reaction:-
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A reactions in which two compounds react by an exchange of ions to form two new compound are called double displacement reactions.

EXAMPLE=>Na2So4 + BaCl2 => BaSO4 + 2NaCl

Answer 2

Heya,

Double displacement reaction is a reaction in which two substances with positive and negative ions react with each other on either sides.

For example;- HCl + NaOH ---> NaCl + H2O

Hope it helps u.......