Question

how can you separate a mixture of salt,sand, grain,iron fillings and iodine

Answer 1

magnetic seperation to obtain iron fillings

add water then:

sedimentation and decantion to remove sand

sublimation to remove iodine

crystalisation to obtain the salt crystals.

Answer 2

Answer:

by the process called crystallization

and iron is magnetic substance since grab it with magnetic

pour water and add some HCL