Available chlorine is liberated from bleaching powder when it:

CHEMISTRY · Single correct · CBSE · Chemistry · Acids, Bases and Salts · Acids, Bases and Salts

Problem

Available chlorine is liberated from bleaching powder when it: (1) Is heated (2) Reacts with acid (3) Reacts with

\mathrm{H}_2\mathrm{O}

(4) Reacts with

\mathrm{CO}_2