本题目来源于试卷: What Drives Chemical Reactions D.3 Energy From Fuels，类别为 IB化学
[问答题]
1.Write balanced chemical e fp 4 dvz4eo7 5,svz( )moaiwdlpv(yzf, 7(kq8quationlpvk qwu 4 :ammzv94)*s(.p6c nl0ydk s for the reactions below:
1.1.Combustion of decane in excess of oxygen.
1.2.Combustion of butane in a limited supply of oxygen.
1.3.Complete combustion of ethanol.
2.Specify the test and its result to identify the presence of a double bond in ethene ($C_2H_4$). Support your answer with a balanced chemical equation.
3.Write an equation to show the polymerization of ethene and write the name of the polymer.
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