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Question about Separation of Mixtures

Chemistry

Originais Teachy

Separation of Mixtures

Easy

(Originais Teachy 2023) - Question Easy of Chemistry

Imagine you are a scientist tasked with separating a mixture of iron filings, sand, and salt. You have at your disposal a magnet, a beaker of water, a filter paper, and a heat source. Given your understanding of the properties of these substances and the available equipment, describe the sequence of steps you would take to separate these components into their individual parts. Explain why each step is necessary and how it contributes to the overall separation process.
a.
The sequence of steps to separate the mixture of iron filings, sand, and salt is as follows: 1) Use the magnet to separate the iron filings. 2) Dissolve the salt in water. 3) Filter the mixture to separate the sand. 4) Evaporate the water to obtain the salt.
b.
The sequence of steps to separate the mixture of iron filings, sand, and salt is as follows: 1) Use the magnet to separate the salt. 2) Dissolve the iron filings in water. 3) Filter the mixture to separate the sand. 4) Evaporate the water to obtain the salt.
c.
The sequence of steps to separate the mixture of iron filings, sand, and salt is as follows: 1) Use the magnet to separate the sand. 2) Dissolve the iron filings in water. 3) Filter the mixture to separate the salt. 4) Evaporate the water to obtain the sand.
d.
The sequence of steps to separate the mixture of iron filings, sand, and salt is as follows: 1) Use the magnet to separate the iron filings. 2) Dissolve the salt in water. 3) Filter the mixture to separate the iron filings. 4) Evaporate the water to obtain the sand.
e.
The sequence of steps to separate the mixture of iron filings, sand, and salt is as follows: 1) Use the magnet to separate the iron filings. 2) Dissolve the sand in water. 3) Filter the mixture to separate the salt. 4) Evaporate the water to obtain the iron filings.

Answer sheet:

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