Answer:
1. Mixtures are composed of variable proportions of molecules and atoms. The relative proportions of the elements in a compound are fixed. The components of a compound do not retain their individual properties.
2.The components of the mixture talc powder and iron fillings can be separated by a magnet.So, to separate the components of the mixture of talc powder and iron fillings a magnet is used. Iron fillings are strongly attracted by magnet and the talc powder left behind.
3.Separates magnetic materials, such as iron, steel, nickel or cobalt, from non-magnetic materials in a mixture.
Example: separating iron filings from sand.
Explanation:
Hope it helps
