C-09-Q219mediummulti_combo_mcqCommon bases used at home include—NaOH\mathrm{NaOH}NaOH in toilet cleanersNH4OH\mathrm{NH_4OH}NH4OH in glass cleanersHCl\mathrm{HCl}HCl in soft drinksai and iibii and iiici and iiidi, ii and iii