KO2 (potassium superoxide) is used in oxygen cylinders in space and submarines because it (a) Absorbs CO2 and increases O2 content KO2 (potassium superoxide) is used in oxygen cylinders in space and submarines because it (a) Absorbs CO2 and increases O2 content November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related