Yellow glycerine is made into white, using____________________?
Correct answer: A. Activated carbon
- A. Activated carbon
- B. Diatomaceous earth
- C. Bauxite
- D. Bentonite
Explanation
Activated carbon adsorbs the coloured impurities present in yellow glycerine, after which filtration produces white glycerine. Diatomaceous earth is mainly a filter aid rather than the principal decolorizing agent.
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