Charcoal is used in the decolourization of sugar because of its

Assessment: WAEC SSCE - Chemistry - 2022 (Objective) Subject: Chemistry

Question 1 Report

Charcoal is used in the decolourization of sugar because of its
Answer Details
Charcoal is used in the decolorization of sugar because of its adsorption property. Adsorption is the process in which atoms, ions or molecules from a substance adhere to the surface of the adsorbent. Charcoal has a large surface area with lots of tiny pores which provides a lot of sites for the sugar molecules to stick to. The impurities in the sugar are adsorbed on the surface of the charcoal particles and get trapped in its pores, leaving behind a clear and colorless solution.
Read lesson note on Solubility (JAMB)
Read lesson note on Solubility Of Substances (Ghana Only) (WAEC)
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