Question

93. Name the solid fuel which does not produce flame.
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Answer 1

Answer:

Coal

Coal is a solid fuel which does not vaporise on heating.So,coal also does not burn by producing a flame. Coal just glow red on combustion. 1)When the oxygen supply or air supply is insufficient,then the fuels burn incompletely producing mainly a yellow flame.

Answer 2

Answer:

Solid fuels have been used throughout human history to create fire and solid fuel is still in widespread use throughout the world in the present ...

Explanation:

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