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प्रश्न
Can you purify a sol by filtering it through an ordinary filter paper?
अति संक्षिप्त उत्तर
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उत्तर
No, a sol cannot be purified by filtering through ordinary filter paper because its large pores allow both impurity and colloidal particles to pass through. Ultrafiltration with specially treated filter paper is required to remove impurities from a sol.
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