Which of the following statements is true about Ca(OH)2
(a) it is used in the prreparation of bleacing powder
(b) It is a light blue solid
(c) It does nnot possess disinfectant property
(d) It is used in the manufacture fo cement
Answer: (a) it is used in the prreparation of bleacing powder
Calcium hydroxide is used in the manufacture fo bleacing powder.
2 Ca(OH)2Slaked lime+2Cl2Cold−−→CaCl2+ Ca(OCl)2Bleaching Powder + 2 H2O