KO2 (Potassium superoxide) is used in oxygen cylinders in space and submarines because (a) Eliminates moisture (b) Absorbs CO2 KO2 (Potassium superoxide) is used in oxygen cylinders in space and submarines because (a) Eliminates moisture (b) Absorbs CO2 December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related