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True or False: Titanium dioxide (TiO₂) is a widely studied photocatalyst for water splitting and pollutant degradation under UV light.
- True
- False
Answer: True
TiO₂ absorbs UV, generates electron-hole pairs that drive redox reactions: water → H₂ + O₂; organic pollutants → CO₂ + H₂O. Research focuses on visible-light activation via doping. Green chemistry application. [[NCERT Chemistry Class 12]]