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[" 115TRV "],[" 10.) A gas mixture conta...

[" 115TRV "],[" 10.) A gas mixture contains acetylene "],[" carbondioxide.20lit of this mixture reas "],[" 20lit of oxygen under the same conditions "],[" complete combustion.The percentage "],[" yolume of acetylene in the mixture is "],[" 1) "50%" 2) "40%" 3) "60%" 4) "75%]

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