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"A compound 'X' on combustion gives a ye...

"A compound 'X' on combustion gives a yellow flame with lots of smoke." What inference would you draw from this statement ?

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Compound X is an unsaturated hydrocarbon. Unsaturated hydrocarbons burn with a yellow flame because of incomplete combustion.
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U-LIKE SERIES-CBSE EXAMINATION PAPER 2020-SECTION C
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