C-09-Q083mediumsingle_mcqGlass cleaners in our homes commonly contain the base—aNaOH\mathrm{NaOH}NaOHbCa(OH)2\mathrm{Ca(OH)_2}Ca(OH)2cNH4OH\mathrm{NH_4OH}NH4OHdKOH\mathrm{KOH}KOH