What is meant by strong bases and weak bases? Classify the following into strong bases and weak bases: NH4OH, Ca(OH)2, NaOH, KOH, Mg(OH)2

Strong bases are those which ionize in water completely and produces large amount of hydroxide ions Weak bases are those bases which partially ionize in water and produces little amount of hydroxide ions. NaOH and KOH are strong bases

NH4OH, Ca(OH)2, Mg(OH)2 are weak bases.