Two watch glasses containing sample A and B are taken.Sample A contains sulphur powder and iron filings mixed together and sample B contains crushed iron sulphide powder formed by heating a mixture of iron filings and sulphur. A bar magnet is rolled over both sample A and B.What do you observe? Justify.
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Answer:
We would observe that the Iron fillings from A will get atta Ted towards the bar magnet, but this would not happen in case of B
Explanation:
Justification -
Since, A contains Iron and Sulphur, Iron being magnetic gets attracted towards the magnet.
But in B Iron and Sulphur are chemically bolun to each other forming Iron sulphide (FeS), due to the formation of a new substance, Iron looses it's property to get attracted by magnets. Hence, nothing is observed in B.
From this we can conclude that Elements do not retain it's original properties, if they are bound chemically to another element or substance.
Hope it helped you !!
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