Why some fuels burn with a flame and some without flame
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Along with heat, some produce flame or glow. The substances which vaporize during burning give flames. For example combustion of kerosene oil produces flame. On the other hand certain substances like coal do not vaporize and hence doesn't produce a flame.
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The substances which vaporize during burning give flames. For example combustion of kerosene oil produces flame. On the other hand certain substances like coal do not vaporize and hence doesn't produce a flame.
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