• # question_answer Bleaching powder is obtained by treating chlorine with [Pb. PMT 1999] A) $CaO$ B) $CaC{{O}_{3}}$ C) $CaS{{O}_{4}}$ D) $Ca{{(OH)}_{2}}$

$Ca\,{{(OH)}_{2}}+C{{l}_{2}}\to \underset{\begin{smallmatrix} \text{bleaching}\, \\ \text{powder} \end{smallmatrix}}{\mathop{CaOC{{l}_{2}}}}\,+{{H}_{2}}O$