Question

why horse shoe magnet is used to separate iron filing and Sulphur powder? Reason

Answer 1

Because iron fillings can be seperated using only magnet hence the iro is seperated from sulphur

Answer 2

Magnets attract magnetic materials like iron. As, iron is a magnetic material it gets attracted by the horse shoe magnet and sticks to it. In this way horse shoe magnet separates iron fillings from Sulphur powder.