Question

You are provided with a mixture of water, sand and iron filings. Think and write the two techniques you will use to separate sand and iron filings from water. 
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Answer 1

Answer: we can use 2 techniques to separate them. They are:

1) using magnetic separation

2) evaporation .

Other than this process we can also use......

1) filteration

2) sedimentation

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Answer 2

Answer:

To separate sand and iron filings from water we have to perform filtration.

By magnetic separation, iron filings can be separated from sand