Create a custom practice set
Pick category, difficulty, number of questions, and time limit. Start instantly with your own quiz.
Generate QuizGK Question
True or False: Supercritical CO₂ extraction is used to obtain caffeine-free coffee and essential oils without toxic solvent residues.
- True
- False
Answer: True
scCO₂ is non-toxic, non-flammable, easily removed by depressurization. Selective extraction by tuning pressure/temperature. Widely adopted in food, pharma, cosmetics industries. Embodies green chemistry principles. [[NCERT Chemistry Class 12]]