18.Select the endothermic reaction 1)2h2+o2 gives 2h2o 2)n2+o2 give 2n – InterviewSolution

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1.	18.Select the endothermic reaction 1)2h2+o2 gives 2h2o 2)n2+o2 give 2no 3)2naoh+h2so4 gives na2so4+2h2o 4)3 o2+c2h5oh gives 2co2 +3h2o
Answer» 18.Select the endothermic reaction 1)2h2+o2 gives 2h2o 2)n2+o2 give 2no 3)2naoh+h2so4 gives na2so4+2h2o 4)3 o2+c2h5oh gives 2co2 +3h2o

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