50 liquid alkali, or 50 per centsodium hydroxide solution, is ahighly concentrated strong alkali

50 liquid alkali, or 50 per centsodium hydroxide solution, is ahighly concentrated strong alkali.It is primarily used as a rawmaterial for industrial alkali, aneutralising agent and adegreasing agent, and is widelyemployed in the paper, alumina,chemical, water treatment andtextile industries, amongst others.