Question

what is the principle of seperating funnel technique. how it is usefull in extraction of iron from its ore

Answer 1

The principle behind seperating funnel is that immiscible liquids seperate out in layers depending on their densities.
In the extraction of iron ore ,the lighter stag is removed from the top by this method to leave the molten iron at the bottom in a furnace.

Answer 2

A separating funnel is a separation technique that is used for
two liquids that do not dissolve in each other.
Liquids that do not dissolve in each other are called immiscible.
In the extraction of iron ore ,the lighter stag is removed from the top by this method to leave the molten iron at the bottom in a furnace.