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you an use a magnet to get the iron fillings out
No, it is your choice.
You need a magnet to separate iron from a mixture (not from a compound).
A mixture of Iron and Sulphur is exactly that, iron filings mixed with sulphur that has not undergone any chemical reaction. Iron sulphide is the result of the reaction of Iron with sulphur.
Yes, the reaction is possible when the mixture is heated.
you an use a magnet to get the iron fillings out
its the same...... bar the fact that in iron sulphite the 2 chemicals have compouded were as iron and sulphur is still a mixture
The iron and sulphur split because the iron sinks and the sulphur floats so you can separate the mixture
No, it is your choice.
Probably the simplest way would be to use a strong magnet to attract the iron filings only from the mixture, leaving the sulfur behind.
iron starts melting
You need a magnet to separate iron from a mixture (not from a compound).
If you put sulphur and iron together, and do nothing to them, then this will be a mixture, yes.
If you just mix iron and sulphur together, you're still left with a pile of iron and sulphur that are distinctly separate and could be easily separated by throwing the mixture in water (iron sinks, sulphur powder floats). If they were to react together, to become iron sulphide, then they would be chemically bound to each other as a compound and wouldn't be able to be separated by physical means.
A mixture of Iron and Sulphur is exactly that, iron filings mixed with sulphur that has not undergone any chemical reaction. Iron sulphide is the result of the reaction of Iron with sulphur.
The iron particles will lift out of the mixture and stick to the magnet while the sulphur is left behind, effectively separating the mixture.
A new substance is formed with different properties from iron and sulphur.