Multiple choice

The charcoal used to decolourise raw sugar is

  1. animal charcoal

  2. sugar charcoal

  3. coconut charcoal

  4. wood charcoal

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Wood charcoal (also called activated carbon) is used in sugar refineries to decolorize raw sugar through adsorption. Its porous structure efficiently removes colored impurities. Animal charcoal (bone char) can also be used, but wood charcoal is the standard. Sugar and coconut charcoals have specialized uses.