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A mixture consists of sand, salt, and iron filings. Which of the following instruments or materials would not be useful in separating this mixture?

magnet
filter paper
screen
water

Respuesta :

SammyLeyba64
Water! All the iron would just stick with the sand and the salt wouldn't go anywhere. 
dontworryaboutit47

Screen is your answer!

The magnet would pick up the iron filings

The water would mix with the salt

The sand would go through the filter paper

The screen is the only option that wouldn't have an effect on any of the given materials!

Hope this helps

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