Katie's teacher has given her a sample that contains a mixture of salt, sand, and iron filings. She is
instructed to separate the mixture into the three individual components. What would be the best physical
property to focus on for the first step in separating the mixture?
a) Density
b) Electrical conductivity
c) Magnetism
d) Melting point
Answers: 1
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Katie's teacher has given her a sample that contains a mixture of salt, sand, and iron filings. She...
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