Gujarat BoardEnglish MediumSTD 8ScienceCombustion and Flame1 Mark
Question
Structure of a flame
✓
Answer
A flame has three zones, the outermost thin transparent faint bluish non-luminous region of complete combustion, the middle bright luminous zone of partial combustion, while the innermost is the coldest dark zone, which consists of hot vapours.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.