23. What type of fuels:(a) burn with a flame ?(b) burn without a flame – InterviewSolution

InterviewSolution

1.

23. What type of fuels:(a) burn with a flame ?(b) burn without a flame ?

Answer»

1) gaseous substance burn with a flame

2) solid substance like wood and coal burn without a flame

the flame we se while burning them is that of the volatile substance present in them

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