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Describe a Method to Separate a Mixture of Common Salt and Sand. - Science

Short Note

Describe a method to separate a mixture of common salt and sand.

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Solution

Separation of common salt and sand from a mixture involves the processes of filtration, followed by evaporation.

Sand can be separated from a mixture of sand and salt solution (salt dissolved in water) by filtration. After filtration, sand remains on the filter paper as a residue. Common salt can now be obtained from the filtrate by boiling it. Boiling causes all the water to evaporate and salt is left behind. This process is called evaporation.

Concept: Matter
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APPEARS IN

Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 2 Is Matter Around Us Pure
Short Answers | Q 35 | Page 106
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