InterviewSolution
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InterviewSolution
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Burning substances (fuels) burn with or without a flame. |
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Answer» Solution :When the gaseous substances are heated, a LUMINOUS FLAME is seen and they start to glow. Some liquid and solid fuels burn with a flame because on heating, their atoms easily get converted into vapours, and burn with a luminous flame starting with glow. When volatile substances present in this TYPE of fuel vapourises, then the fuel just glows red and GIVES out heat without flame. |
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