A student has a mixture of solid sand and NaCl(aq) in a flask. To obtain solid NaCl from this mixture, the student should

(1) Remove the sand by filtration, then evaporate the water.

(2) Remove the NaCl by filtration, and then distill the liquid.

(3) Remove the sand by filtration, then use chromatography to remove the NaCl

(4) Evaporate the water, then filter the sand and salt.

Obtaining solid NaCl from a mixture of solid sand and NaCl(aq) in a flask

include removing the sand by filtration, then evaporating the water.

Filtration involves the separation of solid particles from a solution and

involves the use of the filter which collects the solid particles.

The sand and solid Nacl are separated by first filtering the sand from the

solution. The sand is collected thereby leaving the aqueous sodium

chloride.The aqueous sodium chloride is then evaporated to give rise to the

solid sodium chloride.

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To obtain solid NaCl from this mixture, the student should Remove the sand by filtration, then evaporate the water we will get the solid NaCl from the mixture. ( Option 1 )

Explanation:

The mixture contains solid NaCl and sand, in which the sand gets settled down at the bottom of the container, whereas solid sodium chloride (NaCl) gets dissolved in the water.

Thus we can conclude option 1 as correct answer.

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