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प्रश्न
Compare the properties of iron [II] sulphide with the iron-sulphur mixture, considering iron [II] sulphide as a compound & particles of iron & sulphur mixed together as an example of a mixture.
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उत्तर
Iron and sulphur mixture :
- The constituents i.e. iron and sulphur are seen separately.
- Iron attracts and clings to the magnet.
- On adding dil. HC1 to the mixture H2 gas evolves.
Iron [II] sulphide is a compound
- It is a black solid.
- On bringing a magnet near it we cannot separate iron.
- On adding dil. HCl to it H2S gas evolves.
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