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How could you separate a mixture of powdered chalk and powdered washing soda?

April 26, 2017chalk mixture Powdered separate soda washing

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How could you separate a mixture of powdered chalk and powdered washing soda?

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(sodium carbonate). Since sodium carbonate is much more soluble in water than calcium carbonate, add water to the mixture. The sodium carbonate will dissolve while the calcium carbonate will not. To recover the sodium carbonate, simply boil the solution or let it evaporate.