C-08-Q035mediumsingle_mcqইথানলের সংকেত—aCH3OH\mathrm{CH_3OH}CH3OHbC2H5OH\mathrm{C_2H_5OH}C2H5OHcC3H7OH\mathrm{C_3H_7OH}C3H7OHdC4H9OH\mathrm{C_4H_9OH}C4H9OH