Question

How to separate sand and iron filing . explain
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Answer 1

ɪʀᴏɴ ɪs ᴍᴀɢɴᴇᴛɪᴄ ᴀɴᴅ ᴛʜᴇ ᴏᴛʜᴇʀ ᴛᴡᴏ ɴᴏᴛ, ᴡʜɪᴄʜ ᴍᴇᴀɴs ᴀ ᴍᴀɢɴᴇᴛ ᴄᴏᴜʟᴅ ʙᴇ ᴜsᴇᴅ ᴛᴏ ᴀᴛᴛʀᴀᴄᴛ ᴛʜᴇ ɪʀᴏɴ ғɪʟɪɴɢs ᴏᴜᴛ ᴏғ ᴛʜᴇ ᴍɪxᴛᴜʀᴇ, ʟᴇᴀᴠɪɴɢ ᴛʜᴇ sᴀʟᴛ ᴀɴᴅ sᴀɴᴅ. sᴀʟᴛ ɪs ᴡᴀᴛᴇʀ sᴏʟᴜʙʟᴇ, ᴡʜɪʟᴇ sᴀɴᴅ ɪs ɴᴏᴛ. ᴛʜɪs ᴍᴇᴀɴs ᴛʜᴇ ᴛᴡᴏ ᴄᴀɴ ʙᴇ ᴍɪxᴇᴅ ɪɴ ᴡᴀᴛᴇʀ ᴀɴᴅ sᴛɪʀʀᴇᴅ. ᴛʜᴇ sᴀʟᴛ ᴡɪʟʟ ᴅɪssᴏʟᴠᴇ ᴀɴᴅ ᴛʜᴇ sᴀɴᴅ ᴡɪʟʟ ɴᴏᴛ.

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Answer 2

iron is magnetic and other two are not which means a magnet could be used to attract the iron filling out of the mixture leaving the salt and sand. salt is water soluble while sand is not. This means that the two can be mixed in water and stirred. the salt will dissolve and the sand will not.