Physics · Carbon and its Compounds
What does a blue, non-luminous flame indicate when a hydrocarbon fuel is burnt?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The presence of a high amount of unburnt carbon particles
- 2A severe lack of atmospheric oxygen
- 3Incomplete combustion and soot formation
- 4Complete combustion of the fuel✓
Correct answer
Complete combustion of the fuel
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