Question

what do you mean by double displacement

Answer 1

exchange of bonds between two chemically reacting agents is called a double displacement reaction..
in other words,it is exchange of ions between 2 chemical agents....

Answer 2

hey mate ur answer is
It is a type of chemical react where two compound react and form new product formed.It is also known as double replacement.
Example
Na2S+HCL->NaCl+H2S
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