Question

which property of filter paper is used to separate an insoluble solid from liquid

Answer 1

filter paper is made up of celluloseand treated with hydrofluoric acid and hydrochloride acid .so this property of filter paper is used to separate an insoluble solid

Answer 2

The technique used depends on how well substances are mixed together. To separate insoluble impurities from salt, you used a process called filtration. The filter paper allowed the soluble solute (salt) and the solvent (water) to pass through, but it trapped the larger pieces of insoluble impurities as a residue.