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OpenStudy (anonymous):
Devise a way to separate a mixture of sand, salt, and iron filings. Write the procedure using a step-by-step method and explain the reasoning behind each step.
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OpenStudy (joannablackwelder):
What are some properties of sand, salt, and iron filings?
OpenStudy (anonymous):
idk
OpenStudy (joannablackwelder):
Out of the three, do any of them dissolve in water?
OpenStudy (joannablackwelder):
How about, which one(s) are magnetic?
OpenStudy (anonymous):
yes salt dissolves
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OpenStudy (joannablackwelder):
Then, if you put water into your mixture and dissolve all the salt, the sand and iron filngs can be filtered out.
OpenStudy (joannablackwelder):
Does that make sense?
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