Define residue.

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Solution

Definition - The solid or insoluble component left in the filter after the process of filtration is called the residue.
Filtration – The process by which the insoluble or suspended particles of a mixture are separated from the liquid by using a porous membrane called a filter is called filtration.
Important points about filtration -
The solid or insoluble component left in the filter is called the residue.
The clear liquid obtained is called the filtrate.

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