Class X KOH is used in making of drain cleaner antacid cement liquid soap PH (power of Hydrogen) value of black coffee is 7 8 3 5 Amount of Hydrochloric Acid (HCl) secreted daily by gastric glands is 1 lit 3 lit 2 lit 4 lit If concentration of H+ is greater than 1 x 10-7 then solution is neutral basic acidic aqueous If pH value is greater than 7, then solution is acidic basic neutral salty Do you really want to submit this quiz? Cancel Submit Quiz