C-06-Q056mediumsingle_mcqH2+O2→H2O\mathrm{H_2} + \mathrm{O_2} \to \mathrm{H_2O}H2+O2→H2O সমতা করলে—aH2+O2=H2O\mathrm{H_2} + \mathrm{O_2} = \mathrm{H_2O}H2+O2=H2Ob2H2+O2=2H2O2\mathrm{H_2} + \mathrm{O_2} = 2\mathrm{H_2O}2H2+O2=2H2OcH2+2O2=2H2O\mathrm{H_2} + 2\mathrm{O_2} = 2\mathrm{H_2O}H2+2O2=2H2Od3H2+O2=3H2O3\mathrm{H_2} + \mathrm{O_2} = 3\mathrm{H_2O}3H2+O2=3H2O