1.

What are combuistion reactions

Answer»

Solution :A combustionreactionis achemicalreactionbetweensubstaneand oxygenwithevol of heatand lightin thepresenceof sufficientoxygenalkane undergoncombustionignited and producesscarbondioxideand WATER
`CH_(4) + 2O_(2) toCO_(2)2H_(2) ODelta H^(@) = 890.4 KJ`


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