Name the steps and the methods used to separate:
1.coconut oil, salt and water
2.chalk powder, water and stones
3.iron  fillings, sand and salt
                     

in 1. coconut oil and water have different densities so use a separating funnel and separate NaCl solution from oil then boil the solution to get residue as salt
2. separate stones by hand picking  and filter the chalk and water solution the reside in filter paper will be chalk powder
3. seperate iron fillings by magnet then mix water in sand and salt solution then filter the sand  out and  then  boil the solution to get residue as salt