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by the process of sublimation

the mixture of sodium chloride and ammonium chloride is placed in a dish and covered with an inverted funnel

on heating, ammonium chloride will change into vapour,which will condense into a solid in the neck of the funnel ,whereas sodium chloride was left behind the dish

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How can you separate ammonium chloride from sand?

Ammonium chloride is soluble in water and the sand can be separated from the solution by filtering.


How can you separate ammonium chloride and copper oxide?

Ammonium chloride is water-soluble whereas copper oxide is not. You can separate them by dissolving the mixture in water, then filtering it. The filtrate solution will contain ammonium chloride and the residue will contain copper oxide.


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To separate ammonium chloride from a mixture of ammonium chloride and sodium chloride, you can dissolve the mixture in water to form a solution. Then, heat the solution to evaporate the water, leaving behind solid ammonium chloride due to its lower melting point compared to sodium chloride. This process is known as crystallization.


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One suitable technique to separate sand from ammonium chloride is filtration. The mixture can be dissolved in water, allowing the ammonium chloride to go into solution while the sand remains as a solid. The solution can then be passed through a filter to separate the sand from the dissolved ammonium chloride.


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Heat it until the ammonium chloride sublimes. Then add distilled water to what's left, stir, allow the solid to settle to the bottom of the dish, and decant the liquid. Repeat that 3 times. That'll extract the sodium chloride (salt) from the silicon dioxide (sand), because the NaCl is soluble in water. Then heat the salt water solution carefully until all the water is evaporated. Then heat the sand to dry it out.


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