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Coal and Petroleum — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceCoal and Petroleum1 Mark
MCQ
Middle zone of a candle flame is luminous due to:
  • A
    Completely burnt carbon particles.
  • B
    Unburnt carbon particles.
  • ✓
    Partially burnt carbon particles.
  • D
    Incandescent bulb.
✓

Answer

Correct option: C.
Partially burnt carbon particles.
Partially burnt carbon particles.

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