Which of the following materials will be used to separate a mixture of iron nails and sands ?
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Iron is magnetic and the other two not, which means a magnet could be used to attract the iron filings out of the mixture, leaving the salt and sand. Salt is water soluble, while sand is not. This means the two can be mixed in water and ꜱᴛɪʀʀᴇᴅ
The mixture of sand and iron can be separated from each other by using a magnet.
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